Collections

20 fossilswith explanatory bookletdelivered in segmented collector's caseTypical evolutionary concepts, such as variability, modification, dimorphism, mutation,or evolutionary lineages, are illustrated and explained in this collection using fossilexamples.The set includes graptolites, ammonites, brachiopods, gastropods,nummulites, and horse teeth.Everything is numbered according to the contents list.Our collections are assembled by hand at our facility in Bonn.Please note that fossils are natural products and no two specimensare ever exactly alike.Due to technical limitations, colors in product photos may differ slightly from those of the actual specimen.Our images serve as a reference; upon purchase, you will receive a collection of equivalent quality.

30 thin sections of rock-forming mineralsmatching collections P01 and P02 Size of thin sections: 28 x 48 mmThe slides are fitted with cover slips. They are numbered and labeled, with the exact name, age, and locality indicated. The slides are delivered in a wooden thin section box.A detailed list of contents is included with each collection.Included are, for example:Felsic constituents of rocks (f.e. Quartz, Feldspars, Sodalites),Mafic constituents of rocks (f.e. Pyroxenes, Amphiboles, like Aktinolite, Olivines, Micas),Clay Minerals (f.e. Kaolin),Carbonates (f.e. Calcite, Dolomite, Magnesite),Minor Constituents (f.e. Andalusite, Silimanite, Cyanite, Staurolite, Epidote, Garnet)Our thin-section collections are handcrafted.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are for reference only; when you purchase a collection, you will receive one of equivalent quality.

40 fossilssorted into collection boxes, delivered in a wooden caseThis collection includes specimens from all geological ages that, by their presence, characterize specific geological time periods. Arranged by their geological age, they provide an overview of the evolution of life. The primary goal in compiling this collection was to offer an introductory look at the world of paleontology in an educational setting.Included are specimens representing all major fossil animal and plant groups, as well as a detailed introductory text. The specimens are numbered and labeled with precise descriptions, as well as their age and locality.Sorted into System-bloc collection boxes and arranged in sequence within a wooden case.A detailed list of contents is included with each collection.Our collections are curated by hand in Bonn.Please keep in mind that fossils are natural products and no two pieces will everlook exactly alike.Due to technical factors, colors in product photos may differ from those of the actual goods.Our images are intended as reference; upon purchase, you will receive a collection of equivalent quality.

20 rock specimenssample size: 60 x 90 mmsorted in System-bloc collection boxes, including a wooden caseOur range includes many types of didactic collections suitable asreference material for petrographic courses across all educational levels.This collection is divided into igneous, sedimentary, and metamorphic rocks, which are arranged within these groups according to modern taxonomy. It includes, for example, the following rocks:granites, syenites, plagioclases, mafic rocks, rhyolites, trachytes, basalts, selbergites,tephrites, psephites, psammites, pelites, chemical and organic rocks,such as dolomite, anhydrite, and limestones. It also includes metamorphic rockssuch as marble, gneiss, and mica schist.Each specimen is labeled with its exact name, age, and locality. A System-bloc film is placed over each label to prevent scratches or staining.The rocks are numbered so they can be easily re-identified if one is removed or misplaced.The specimens of this collection are delivered in System-bloc collection boxes, which are arranged in order inside a wooden case. A detailed list of contents is included with each collection.Our collections are all handcrafted at our premises in Bonn.Please note that rocks are natural products and no two pieces ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

20 rocksspecimen size: 90 x 120 mmsupplied in System-bloc collection boxes, including wooden case.Our range includes many types of didactic collections suitable as reference material for petrographic courses across all educational levels.This collection is divided into igneous, sedimentary, and metamorphic rocks, which are arranged within these groups according to modern taxonomy. It includes, for example, the following rocks:granites, syenites, plagioclases, mafic rocks, rhyolites, trachytes, basalts, selbergites,tephrites, psephites, psammites, pelites, chemical and organic rocks,such as dolomite, anhydrite, and limestones. It also includes metamorphic rockssuch as marble, gneiss, and mica schist.Each specimen is labeled with its exact name, age, and locality. A System-bloc film is placed over each label to prevent scratches or staining.The rocks are numbered so they can be easily re-identified if one is removed or misplaced.The specimens of this collection are delivered in System-bloc collection boxes, which are arranged in order inside a wooden case. A detailed list of contents is included with each collection.Our collections are all handcrafted at our premises in Bonn.Please note that rocks are natural products and no two pieces ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

This collection is only sold as a complete set!Our basic geology collection includes five sturdy plastic boxes divided into compartments, containing a total of 50 specimens covering the following topics:Minerals (talc, limonite, fluorite, calcite, pyrite, magnetite, hematite, quartz,mica, feldspar)Fossils (ammonite, wood, gastropod, crinoid stalk segment, coral,shark tooth, brachiopod, mammoth bone fragment, belemnite, sea urchin)Sedimentary rocks (loess, sandstone, flint, lignite, limestone,conglomerate, clay, shale, travertine, gypsum)Metamorphic rocks (chlorite schist, quartzite, mica schist, serpentinite,marble, gneiss, phyllite, amphibolite, granulite, eclogite)Volcanic and igneous rocks (slag, pumice, gabbro, tuff, rhyolite, diorite,granite, basalt, obsidian, pegmatite)This collection's specimens are explained and numbered according to an enclosed sheet in German and English.Specimen size: approx. 2 x 2 cm Fossils: approx. 1–3 cmAll of our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images are provided for reference; upon purchase, you will receive a collection of comparable quality.

20 fossils from all geological ages sorted into collection boxes, including a wooden boxThis collection contains 20 fossils that, based on their appearance, characterize specific geological time periods. Arranged by geological age, they provide an overview of the evolution of life on Earth.This collection was specially compiled to serve as an introduction to the world ofpaleontology in a school setting. It contains representatives of all major fossil animaland plant groups, as well as a detailed introductory text.The specimens are numbered and labeled with precise descriptions, as well as age and locality of each specimen. They are delivered in System-bloc collection boxes, which are in turn arranged in a wooden case. A detailed list of contents is included with each collection. Our collections are assembled by hand at our facility in Bonn.Please note that fossils are natural products and no two specimens are ever exactly alike. Colors in product photos may vary slightly from those of the original specimen due to technical reasons. Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

10 fossilsin plastic caseSmall inexpensive fossil collection. This was designed especially for children of elementary school age. Together with a colored Din A4 board, which gives an overview of the history of the earth in relation to the 10 fossils, the collection is an ideal introduction to fossil science.

150 rocksSpecimen size: 60 x 90 mmorganized in System-bloc collection boxes; wooden case not includedThis collection is based on lecture notes and summarizes the most important rock types.It includes 63 igneous, 50 sedimentary, and 37 metamorphic rock types. (Minor changes are possible!)Each specimen is labeled with its exact name, age, and locality. A System-bloc film protects each label from scratches and dirt. All rocks in the collection are numbered to facilitate identification in case a specimen is misplaced.A detailed list of contents is included with each collection.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are for reference only; when you purchase a collection, you will receive one of equivalent quality.

20 rock-forming mineralsSpecimens: approx. 20 x 20 mmin a plastic collector's boxcan be paired with P05This collection contains: quartz, microcline, albite, leucite, sodalite, diopside, augite, actinolite, hornblende, olivine, muscovite, biotite, calcite, magnesite, andalusite, sillimanite, disthene, staurolite, epidote, and garnet.The pieces are numbered according to an explanatory list of contents.Our collections are handcrafted in our workshop in Bonn. Please note that rocks are natural products and no two pieces will ever look exactly alike.Colors in product photos may vary slightly from those of the actual piece due to technical reasons. Our images are provided as reference; upon purchase, you will receive a collection of equivalent quality.

10 rock-forming minerals30 rock samples specimen size: approx. 20 x 20 mmin two plastic collection boxes With its combination of 10 rock-forming minerals and 30 rock samples, this collection explains the most important concepts in petrography and allows interested individuals to independently practice rock identification exercises. An affordable collection, ideal for use in school classrooms. The collection is delivered in two sturdy plastic boxes. All specimens are numbered according to an explanatory list of contents. Our collections are handcrafted at Dr. F. Krantz in Bonn. Please note that minerals are natural products and no two specimens are ever exactly alike. Colors in product photos may vary slightly from those of the actual product due to technical reasons. Our images are for reference; upon purchase, you will receive a collection of equivalent quality.

A small, affordable fossil collection in a plastic collector's box.These fossils are an ideal introduction to paleontology.Contents:6 fossils—a brachiopod, a trilobite, an ammonite, a belemnite, a fossil shark tooth, anda fossilized plant fragment—in a storage box with a lid.The collection includes a detailed description with names, locality and time period.Please note: The collector's boxes this collection is supplied in may appear “retro,” but we thought they were too good to throw away. Some may have scuffs or scratches, which is why our price has been reduced!Our collections are assembled by hand in Bonn.Please keep in mind that fossils are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may differ from those of the actual product.Our images are for reference only; when you purchase, you will receive a collection of equivalent quality.

10 rocksSpecimen size: 60 x 90 mmsorted in System-bloc collection boxes, including wooden caseThis collection of 10 rocks features the most important examples of igneous, sedimentary, and metamorphic rocks:granite, gabbro, trachyte, basalt, diabase, tuff, sandstone, limestone, argillaceous schist, and biotite gneiss.Each specimen is labeled with its name, age, and locality. A system-bloc film covers each label to prevent scratching.The rocks are numbered to allow for easy re-identification in case a specimen is misplaced.The pieces in the collection are delivered in system-bloc collection boxes,which are in turn arranged in a wooden case. A detailed list of contentsis included with each collection.Our collections are handcrafted in-house.Please note that stones are natural products, and no two pieces are exactly alike.Due to technical limitations, the colors in product photos may vary slightly from those of the actual item.Our images are for reference only; when you make a purchase, you will receive a collection of equivalent quality.

10 rocks Samples: 90 x 120 mm eachsorted in System-bloc collection boxes, delivered in wooden caseThis collection of 10 rocks comprises the most important examples of igneous, sedimentary, and metamorphic rocks:granite, gabbro, trachyte, basalt, diabase, tuff, sandstone, limestone, clay shale, and biotite gneiss.Each specimen is labeled with its exact name, age, and locality. A system-bloc film covers the respective label to prevent scratching.The rocks are numbered to allow for easy re-identification in case a specimen is misplaced. The pieces in the collection are delivered in system-bloc collection boxes, which are in turn arranged in a wooden case. A detailed list of contents is included with each collection.Our collections are handcrafted in-house.Please note that stones are natural products, and no two pieces are exactly alike.Due to technical limitations, the colors in product photos may vary slightly from those of the actual item.Our images are for reference only; when you make a purchase, you will receive a collection of equivalent quality.

10 Mineralsspecimens: approx. 20 x 20 mmin a plastic collector’s boxSet of 10 minerals, including antimony, diamond (carbon), iron, gold, graphite (carbon), copper, sulfur, silver, and bismuth.The collection comes with a list of contents.Our collections are handcrafted here in Bonn.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

15 natural crystalsin a sturdy, segmented collector's casecontains 4 cubic, 2 hexagonal, 2 tetragonal, 2 rhombic, 4 monoclinic, andone triclinic crystalThe crystal shape typical of each mineral reflects its internal molecular or atomic structure. The physical and chemical properties, which depend on the crystal lattice structure, can therefore be demonstrated using natural crystals.All crystals are labeled with Miller indices for the most important faces and withthe exact locality they were found at. The crystals are numbered according to an explanatory list of contents. Our collections are handcrafted at our facility in Bonn.Please note that rocks are natural products and no two pieces everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images serve as reference; upon purchase, you will receive a collection of equivalent quality.

Specimens: approx. 20 x 20 mmsupplied in a sturdy plastic caseSpecimens numbered according to the contents listThis collection includes:Diamond, ruby, emerald, aquamarine, topaz, garnet, red and green tourmaline,zircon, amazonite, apatite, tanzanite, and various precious quartz varieties.Our collections are handcrafted in-house in Bonn.Please note that gemstones are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual piece.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

20 igneous rocksSpecimens: 60x90 mmsorted in System-bloc collection boxes, including a wooden caseOur range of systematic rock collections provides the foundation for both introductory and advanced petrography courses.This collection includes:magmatic rocks (e.g., pegmatite, granite, granodiorite, syenite, plagioclasites,foid rocks, mafic rocks) andvolcanic rocks (e.g., rhyolite, trachyte, latite,basalts, porphyrites, selbergite, nephelinite, and pyroclastic rocks)The specimens are labeled with tags providing precise identification, age, and locality. A System-bloc protective film covers each label to prevent scratching and stains.The rocks are numbered so that they can be easily re-identified if a specimen is removed.This collection is delivered in System-bloc collection boxes, which are arranged inside a wooden case. A detailed list of contents is included with each collection.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

20 igneous rockssample size: 90 x 120 mmsorted into collection boxes and delivered in a wooden caseWe offer a wide variety of systematic rock collections and teaching collections that provide a solid foundation for introductory and advanced petrography courses.This collection includes:magmatic rocks (e.g., pegmatite, granite, granodiorite, syenite, plagioclasites,foid rocks, mafic rocks)volcanic rocks (e.g., rhyolite, trachyte, latite, basalt, porphyry, selbergite,nephelinite, and pyroclastic rocks)The rock specimens are labeled to indicate their exact name, age, and locality. System-bloc film is covering each label to prevent scratches and staining. All rocks are numbered so they can be easily re-identified if one of the specimens is removed.The collection is delivered arranged in System-bloc collection boxes, which arestored in a wooden crate. A detailed list of contents is included with each collection.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

20 MineralsSpecimens: approx. 20 x 20 mmdelivered in a plastic collector’s caseThis collection contains the 20 most important resources used in the metal industry.For example:Antimonite, Auripigment, Bauxite, Beryl, Galena, Carnallite, Cassiterite, Chalcopyrite, Chromite, hematite, ilmenite, magnesite, magnetite, manganomelane, molybdenite, quartz, scheelite, siderite, sphalerite, and cinnabar.The specimens are numbered according to an explanatory list of contents.Our collections are handcrafted here in Bonn.Please note that rocks are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

The collection contains 20 different metals in the form of industrially produced chemical elements.Specimens: 20 x 20 mmContains: Magnesium, aluminum, silicon, titanium, chromium, manganese, iron, cobalt, nickel, copper, zinc, molybdenum, silver, tin, antimony, tellurium, indium, tungsten, lead, bismuth.The collection is delivered in a sturdy, segmented plastic case.The specimens are numbered according to an explanatory list of contents.Our collections are handcrafted at our facility in Bonn.Please note that rocks are natural products and no two pieces everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

20 metamorphic rocksSpecimens: 60x90 mmarranged in System-bloc collection boxes and delivered in a wooden caseWe offer a wide variety of systematic rock collections and teaching collections that provide a solid foundation for introductory and advanced petrography courses.This collection includes:contact rocks (e.g. fritted sandstone, fruit shale, chiastolite shale, hornfels, contact limestone)crystalline schists (e.g. gneiss, granulite, mica schist, phyllite, chlorite schist, talc schist, amphibolite & pyroxene, serpentinite, marble)All rock specimens are labeled to indicate their exact name, age, and locality. The System-bloc film covering each label prevents scratches and staining.The rocks are numbered so they can be easily re-identified if one of the specimens is removed.The collection is delivered arranged in System-bloc collection boxes, which arestored in a wooden crate.A detailed list of contents is included with each collection.Our collections are handcrafted in-house at Krantz in Bonn.Please note that rocks are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

20 metamorphic rocksspecimen size: 90x120 mmassembled in System-bloc collectors' boxes and delivered in a wooden case.We offer a wide variety of systematic rock collections and teaching collections that provide a solid foundation for introductory and advanced petrography courses.This collection includes:contact rocks (e.g. fritted sandstone, fruit shale, chiastolite shale, hornfels, contact limestone)crystalline schists (e.g. gneiss, granulite, mica schist, phyllite, chlorite schist, talc schist, amphibolite & pyroxene, serpentinite, marble)All rock specimens are labeled to indicate their exact name, age, and locality. A System-bloc film covering each label prevents scratches and staining. The rocks are numbered so they can be easily re-identified if one of the specimens is removed.The collection is delivered arranged in System-bloc collection boxes, which arestored in a wooden crate.A detailed list of contents is included with each collection.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

This collection contains 20 minerals of technical relevance, primarily used in thechemical and ceramics industries.It includes: apatite, asbestos, dolomite, feldspar, fluorite, gypsum, mica, graphite,calcite, kaolin, corundum, chalk, magnesite, phosphorite, quartz, sassolin, sulfur, rock salt, sylvin, and talc.Specimen size: approx. 20 x 20 mm eachThe collection comes in a sturdy plastic case with compartments.All specimens are numbered according to an explanatory list of contents.Our collections are handcrafted here in Bonn.Please note that rocks are natural products and no two specimenswill ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are for reference only; when you purchase, you will receive a collection of equivalent quality.

Small collection of 20 polished ore samplesSpecimens: Ø 22 mm eachDelivery: including Micromount boxesThe ore samples are embedded in clear polyester resin and polished on one side.All specimens have a diameter of 22 mm. They are numbered, labeled,and packaged in transparent plastic containers.Delivery includes a detailed inventory list.Please understand that the production of ore thin sections by handtakes a certain amount of time!

20 Sedimentary RocksSpecimens: 60x90 mmorganized in collection boxes, contained in a sturdy wooden caseOur range of handcrafted, systematic rock collections includes a variety of teaching collections—from small to large—that serve as a great foundation for introductory and advanced petrography courses.This collection includes:Conglomerates and breccias – psephites (e.g., quartz conglomerate, breccia)Sandstones – psammites (e.g., sand, sandstone, quartzite)Silt and clay rocks – pelites (e.g., clay, oil shale, loess)Carbonate rocks (e.g., limestone, chalk)Sediments (e.g., salt rocks, siliceous sediments such as flint, sedimentaryphosphate rocks, residual rocks such as bauxite and coal)The hand specimens are labeled with tags that provide an exact description, as well as their age and location of discovery. A System-bloc film is placed over each label to prevent scratching or soiling.The rocks are numbered so they can be easily re-identified if a piece is removed. This collection is delivered in System-bloc boxes, which are arranged in a wooden case with hinged lid.A detailed list of contents is included with each collection.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual piece.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

20 sedimentary rocksSpecimen size: 90x120 mmassembled in collectors' boxes, delivered in a wooden caseOur range of handcrafted, systematic rock collections includes a full spectrum of educational collections—from small to large—that serve as a  great foundation for both introductory and advanced petrography courses.This collection contains:conglomerates and breccias - psephites (e.g. quartz conglomerate, breccia)sandstones - psammites (e.g. sand, sandstone, quartzite)silt & clay rocks - pelites (e.g. clay, oil shale, loess)carbonate rocks (e.g. limestone, chalk)sediments (e.g. salt rocks, siliceous sediments such as flint, sedimentary phosphate rocks, residual rocks such as bauxites and coal)The specimens are labelled with tags indicating the exact name, age, and locality. A protective film covers each label to prevent scratches and staining. All rocks are numbered so they can be easily re-identified if one is misplaced. The collection is delivered in system-bloc collection boxes arranged inside a wooden crate.A detailed list of contents is included with every collection.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces are ever exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

20 volcanicsspecimen size: 20 x 20 mmin a plastic case with 20 compartments Included are, for example: diabase, basalt, porphyry, andesite, volcanic ash, obsidian, and rhyolite.  The specimens are numbered according to an explanatory list of contents.Our collections are handcrafted by Dr. F. Krantz in Bonn.  Please note that minerals are natural products and no two pieces are ever exactly alike. Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen. Our images are provided as reference; upon purchase, you will receive a collection of equivalent quality.

30 MineralsSpecimen: 45 x 60 mmsorted in System-bloc collection boxes, shipped in a wooden caseThis collection presents 30 of the most important minerals involved in rock formation, as described in standard works on petrography.It is therefore an indispensable resource for introductory petrography courses.Contents: Quartz, 2 feldspars, 2 feldspar-like minerals, 2 minerals from the sodalite group, 4 pyroxenes, 4 amphiboles, olivine, 4 micas, kaolin, 3 carbonates, 6 minor components (including heavy minerals)The specimens are labeled with precise descriptions, as well as their age and locality. A System-bloc film protects the label to prevent dirt or scratches. The minerals are numbered so they can be easily reassigned if one is removed. Delivered in System-bloc collection boxes, which are in turn arranged in order inside a wooden case with hinged lid.A detailed list of contents is included with each collection.Our collections are handcrafted at our facility in Bonn.Please note that rocks are natural products and no two pieces everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; upon purchase, you will receive a collection of equivalent quality.

30 MineralsSpecimen size: 60 x 60 mmsorted in collection boxes, supplied in a wooden caseThis collection showcases 30 of the most important rocks-forming minerals,as described in standard works on petrography.Making it an indispensable resource for introductory petrography courses.Contents: Quartz, 2 feldspars, 2 feldspar representatives, 2 representatives of the sodalite group, 4 pyroxenes, 4 amphiboles, olivine, 4 micas, kaolin, 3 carbonates, 6 minor constituents (including heavy minerals). All specimens are labeled with information including their exact names, age, and localities. These labels are protected from dirt and scratches by System-bloc film. Every mineral is numbered so that they can be easily re-identified if one is removed from the collection.A detailed list of contents is included with every collection.Our collections are handcrafted at our facility in Bonn.Please note that rocks are natural products and no two pieces everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual item.Our images are intended as a reference; upon purchase, you will receive a collection of equivalent quality.

large collection of polished ore sectionsSize/piece: Ø 22 mm  Delivery: Includes micromount boxes and a wooden case.  detailed inventory list includedThe ore samples are embedded in clear polyester resin and polished on one side.  All specimens have a diameter of 22 mm. They are numbered, labeled, and packaged in clear plastic containers. The collection is shipped in a wooden box and comes with a detailed inventory list. Contents include: copper, bismuth, sphalerite, chalcopyrite, enargite, cinnabar, antimonite, nickelite, galena, covellite, stromeyerite, pyrite, marcasite, skutterudite, magnetite, franklinite,  hematite, goethite.Please understand that the production of mineral ore sections by hand takes a certain amount of time! Colors in product photos may vary slightly from those of the original specimen due to technical reasons. Our images serve as a reference; when you purchase, you will receive a collection of equivalent quality.

Collection of 80 polished ore samplesSpecimens: Ø 22 mm eachDelivery: including Micromount boxes and wooden boxThe ore samples are embedded in clear polyester resin and polished on one side.All specimens have a diameter of 22 mm. They are numbered, labeled,and packed in clear plastic boxes.Delivery is in a wooden box with a detailed inventory list.Contents include: auripigment, berthierite, galena, bismuthinite, bournonite, covellite, hausmannite, hematite, chalcopyrite, magnetite, marcasite, pyrite, renierite, wurtzite, zinc blende, cinnabar.Please understand that the production of polished ore samples by hand takes a certain amount of time!

30 fossilssorted into collection boxes, delivered in a sturdy wooden caseFossils—the mysterious witnesses to life.How can we decipher their message?Using 30 typical specimens, the collection offered here provides a variety ofanswers to this question.You’ll learn about the process of fossilization through text and fossil samples: from the fate of organic bodies from death to burial (biostratinomy), through fossil diagenesis (forms of embedding), to the various types of preservation.The specimens are numbered and labeled. These labels provide information on the exact name, age, and locality of each fossil.The General Paleontology collection is delivered sorted in System-bloc collection boxes. A detailed list of contents is included with each collection.Our collections are hand-assembled in Bonn.Please keep in mind that fossils are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may differ from those of the actual product.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

40 fossilssorted into collection boxes, delivered in a sturdy wooden caseFossils – mysterious witnesses to life. How can we decipher their messages? Using 40 typical specimens, our collection offers a variety of answers to this question.You’ll learn about the process of fossilization through text and fossil samples: the fate of organic bodies from death to final burial (Biostratinomy), through fossil diagenesis (forms of embedding), to the various types of preservation.The specimens are numbered and labeled. Label information includes the exact scientific name, as well as the age and locality of the fossil. The General Paleontology Collection is delivered sorted in System-bloc collection boxes. A detailed list of contents is included with each collection.Our collections are assembled by hand in Bonn.Please keep in mind that fossils are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may differ from those of the actual product.Our images are intended as a reference; upon purchase, you will receive a collection of equivalent quality.

15 samples of various sizesdelivered in a segmented wooden caseA comprehensive basis for explaining the blast furnace process.These are selected samples of raw, intermediate, and final products from the foundry, pig iron, and steel production processes.Includes information on chemical composition, a list of contents, and technical and chemical explanations.Our collections are handcrafted at our facility in Bonn.Please note that rocks are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual item.Our images are intended for reference; upon purchase, you will receive a collection of equivalent quality.

Fossil classroom collection to accompany the “Dinosaurs” poster B92217.Ten numbered specimens of plant and animal fossils, with an explanatory list of contents, delivered in a collection box with compartments.Items included, among others, are:fossilized fish remainsdinosaur bonesamber with an insectOur collections are assembled by hand at our facility in Bonn.Please note that fossils are natural products and no two specimens areexactly alike.For technical reasons, colors in product photos may differ slightly from those of the actual item.Our images are for reference only; upon purchase, you will receive a specimen of equivalent quality.

12 mineralsSpecimens: approx. 20 x 20 mmin a segmented plastic collector's case When minerals break into smooth surfaces along specific, parallel planes in the crystal lattice under mechanical pressure, we refer to this property as "cleavage." This property ranges on a scale from highly perfect cleavage to no cleavage at all, as is the case with quartz, for example. This collection showcases the most important types of cleavage using 12 minerals.  The specimens are numbered according to the list of contents.Our collections are handcrafted by Dr. F. Krantz in Bonn. Please note that minerals are natural products and no two specimens will ever look exactly alike.Due to technical limitations, colors in product photos may differ slightly from those of the actual specimen. Our images are meant as reference; upon purchase, you will receive one collection of equivalent quality.

18 mineralsSpecimens: approx. 20 x 20 mmin a plastic collector’s caseThis collection uses various minerals to demonstrate diamagnetism, paramagnetism, and ferromagnetism, as well as pyroelectricity and piezoelectricity, and provides examples of conductors, non-conductors, and insulators.The specimens are numbered according to the contents list.Our collections are handcrafted by Dr. F. Krantz in Bonn.  Please note that minerals are natural products and no two specimens will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are intended as reference; upon purchase, you will receive a collection of equivalent quality.

15 MineralsHandpiece: approx. 20 x 20 mmin a divided plastic caseThis collection demonstrates the fluorescent properties of certain minerals.The visible glow of some minerals under UV light is called fluorescence. A distinction is made between short-wavelength (approx. 254 nm) and long-wavelength (approx. 366 nm) UV rays, which can produce different colors.The specimens are numbered according to the list of contents.Our collections are handcrafted by Dr. F. Krantz in Bonn.  Please note that minerals are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual piece.Our images are intended as reference; upon purchase, you will receive a collection of equivalent quality.

6 MineralsSpecimens: approx. 20 x 20 mmin a collector's case made of plastic“Fracture” describes the irregularly shaped surfaces of minerals that result from a deliberate blow or from pressure. It is an important tool for identifying minerals.This collection of specimens illustrates the most important types of irregular fractures.All specimens are numbered according to the list of contents.Our collections are handcrafted by Dr. F. Krantz in Bonn.  Please note that minerals are natural products and no two pieces ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

12 mineralsSpecimens: approx. 20 x 20 mmin a collector's case made of plasticAmong the various properties of minerals, “luster” describes how the surface of a mineral reflects light. This is influenced by both the refractive index and the surface texture.This collection illustrates the different types of luster as well as luster quality (metallic, diamond, vitreous, greasy, pearlescent, porcelain, and silky luster; from matte to brilliant).The specimens are numbered according to the list of contents.Our collections are handcrafted at Dr. F. Krantz in Bonn.  Please note that minerals are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as reference; upon purchase, you will receive a collection of equivalent quality.

10 MineralsSpecimens: 20 x 20 mm eachin a segmented plastic collector’s boxThe optical properties refer to how light interacts with minerals when observed using various optical techniques. These properties include, for example, transparency, birefringence, pleochroism, and iridescence, which are demonstrated here on selected specimens.This collection is numbered according to the list of contents.Our collections are handcrafted by Dr. F. Krantz in Bonn.  Please note minerals are natural products and no two specimens will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are intended as reference; upon purchase, you will receive a collection of equivalent quality.

15 mineralsspecimens: approx. 20 x 20 mm eachin a plastic collection box with 16 compartments A collection that demonstrates the different specific weights of minerals.  From extremely light specimens such as carnalite, to medium-weight specimens such as calcite and fluorite, to extremely heavy minerals such as cinnabar. This classroom collection is delivered in a compartmentalized collection box.  The specimens are numbered according to a contents list that includes all relevant data. Our collections are handcrafted at our premises at Dr. F. Krantz in Bonn. Please note that minerals are natural products and no two pieces are ever exactly alike. Colors in product photos may vary slightly from those of the actual specimen due to technical reasons. Our images are for reference; upon purchase, you will receive a collection of equivalent quality.

9 mineralsspecimens: 20 x 20 mm each in a plastic case with 10 compartments includes a streak plate In mineralogy, the term “streak color” or simply “streak” refers to the color of the powder produced when a mineral is rubbed against a rough, unglazed  porcelain surface—such as a streak plate. It is a common method for identifying specimens that appear similar in color. This classroom collection is used to compare the streak color with the intrinsic color of minerals. It comes with a porcelain streak plate.The specimens are numbered according to the contents list. Our collections are handcrafted by Dr. F. Krantz in Bonn.  Please note that minerals are natural products and no two specimens will ever look exactly alike. Due to technical limitations, colors in product photos may differ slightly from those of the actual specimen. Our images are for reference; upon purchase you will receive a collection of equivalent quality.

7 MineralsSpecimens: approx. 20 x 20 mmin a segmented plastic collector's case“Tenacity” refers to the varying behavior of minerals under mechanical stress, such as compression and tension. Here, both the behavior at the mineral's surface as well as that of the entire crystal are observed. The specimens i n this collection are numbered according to a list of contents.Our collections are handcrafted at Dr. F. Krantz’s premises in Bonn.  Please note minerals are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images serve as a reference; upon purchase, you will receive a collection of equivalent quality.

Fossil collection to accompany the poster “Evolution of Humans” B92221.Ten numbered pieces with an explanatory list of contents, delivered in a collector’s boxwith compartments.Items included are, for example:fossilized seedmammoth bonepeat mossOur collections are assembled by hand at our facility in Bonn.Please note that fossils are natural products and no two specimens areexactly alike.For technical reasons, colors in product photos may differ slightly from those of the actual item.Our images are for reference only; upon purchase, you will receive a specimen of equivalent quality.

100 rocksarranged stratigraphicallySpecimen: 60x90 mmsorted in System-bloc collector's boxes, wooden case not includedTypical rocks from all geological formations reveal the evolutionary history of our planet. They document periods of increased volcanic or tectonic activity, extensive marine environments or large landmasses, climatic changes, and how life spread across Earth.Each specimen is labeled with its exact name, age, and locality. A System-bloc film covering each label prevents dirt or scratches.The rocks are numbered so that they can be easily re-sorted if a specimen is removed.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are for reference only; when you purchase a collection, you will receive one of equivalent quality.

Handpieces: approx. 20 x 20 mm eachSupplied in a plastic collector's kit.An affordable yet no less informative collection of twenty minerals commonly found in the Earth's crust. This collection contains typical examples of naturally occurring elements, sulfides, oxides, halides, carbonates, sulfates, and silicates. The set comes in a sturdy box divided into compartments.Its pieces, approximately 2 x 2 cm in size, are numbered according to an explanatory list of contents.Our collections are all handcrafted in-house. Please note that minerals are natural products and no two pieces ever look exactly alike.Due to technical limitations, the colors on your screen may differ from those of the original pieces.Our images serve as examples; upon purchase you will receive a collection of equivalent quality.

Introductory Paleontology Collection10 specimens of various sizessupplied in a plastic collection boxThese specimens provide an initial introduction to the basic principles of paleontology.They illustrate the difference between a recent and a fossilized shell, between clams and brachiopods, and introduce key paleontological concepts.For example, an accompanying text explains the terms “steinkern”, “trace fossil,” and “allochthonous embedding,” while corresponding specimens illustrate the different preservation types.In addition, information about silicification and chemical transformations during fossil formation is provided.This introductory collection comes in a segmented plastic collector's box, complete with an explanatory guide. The specimens are numbered according to the table of contents.Our collections are hand-picked in Bonn.Please keep in mind that fossils are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may differ from those of the original product.Our images are intended as reference; upon purchase, you will receive a collection of equivalent quality.

Large Ore CollectionSpecimen size: 45 x 60 mm eachsorted into System-bloc boxes and supplied in a wooden caseOur large ore collection contains 40 of the most important raw materials required for the production of pure metals and alloys. Included are:- the most common iron and steel refining ores,- Cu, Pb, Zn, and Al ores,- as well as As, Co, Mo, Ti, Va, and Sn ores,- alkali and alkaline earth ores.All specimens are rich in mineral content and exhibit typical forms. Each collection comes with an explanatory booklet that lists the chemical composition, global deposits, and areas of application.The individual samples are numbered and labeled, arranged in System-bloccollection boxes, and shipped in a wooden crate.A detailed list of contents is included with each collection.Our collections are handmade on our premises.Please note that rocks are natural products and no two piecesare ever exactly alike.Due to technical limitations, the colors in product photos may vary slightly from those of the original item.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

Hand specimens: 60 x 90 mm eacharranged in collection boxes, supplied in a wooden caseThe large ore collection contains 40 of the most important raw materials for the production of pure metals and alloys.It includesthe most common iron and steel-refining ores,Cu, Pb, Zn, and Al ores,As, Co, Mo, Ti, Va, and Sn ores,as well as alkali and alkaline earth ores.All specimens are rich in mineral content and exhibit typical forms.Each collection comes with an explanatory booklet that lists the chemicalcomposition, global occurrences, and areas of application.The specimens are numbered and labeled, arranged in System-bloccollection boxes, and delivered in a wooden crate.A detailed list of contents is included with each collection.Our collections are handcrafted in-house in Bonn.  Please note that rocks are natural products and no two piecesare ever exactly alike.Due to technical limitations, colors in product photos may differ from those of the actual product.The photo is for illustrative purposes only; when you place an order, you will receive a collection of equivalent quality.

30 Fossils typical of the Mesozoic era (252 to 66 million years ago)Part 1: Triassic – Jurassic | Part 2: Cretaceousin segmented collector's boxesThe fossils are numbered and listed on the contents list with a precise description, as well as the age and locality of each specimen.Our collections are curated by hand in Bonn.Please keep in mind that fossils are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may differ from those of the actual product.Our images are for reference only; when you purchase, you will receive a collection of equivalent quality.

This small impact collection, accompanied by a detailed description, contains ten different samples—both typically extraterrestrial and terrestrial—associated with meteorite impacts.Contents:5 meteorites (2 iron meteorites, 2 stony meteorites, 1 diogenite)Crater glass (irgite)Tektite (Moldavite)SueviteShocked belemniteIridium enrichment (Stevns Klint)Note: Iron meteorites also contain a certain percentage of nickel.People with a nickel allergy should avoid direct skin contact or wear latex gloves when handling them.Our collections are handcrafted here in Bonn.Please note that rocks are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual item.Our images are for reference only; when you purchase, you will receive a collection of equivalent quality.

10 mineralsspecimens of various sizesin durable plastic collection boxBased on the well-known computer game, we present the large Minecraft collection in a protective collector's case.Discover what the materials look like away from the screen!The rocks come with an accompanying text that includes the locality where they were found and describes the type of rock.Included: lapis lazuli, obsidian, coal, lava, iron-bearing rock, jasper, and even gold and emerald.Box size: 210 x 70 mmOur collections are handcrafted here in Bonn.Please note that rocks are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual item.Our images are for reference only; when you purchase, you will receive a collection of equivalent quality.

20 fossils typical of the Paleozoic Erain a collector's box with compartmentsThe Paleozoic Era encompasses the Permian, Carboniferous, Devonian, Silurian, Ordovician, and Cambrian periods, and is known for the diversification of more complex life forms in the oceans, as well as the “conquest” of Earth's landmasses by plants and amphibians.Our collection of 20 fossils provides a brief overview of this excitingand eventful geological era.Among them are stromatolites, corals, goniatites, and trilobites.The items are delivered in a segmented collection box with an explanatory guide.The pieces are numbered according to the list of contents.Our collections are assembled by hand in Bonn.Please keep in mind that fossils are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may differ from those of the actual product.Our images are intended as a reference; upon purchase, you will receive a collection of equivalent quality.

20 rock specimensSpecimen size: 20x20 mmsupplied in a compartmentalized plastic case This collection was created to illustrate basic petrographic concepts.  It features twenty typical examples of igneous, sedimentary, and metamorphic rocks. Distributing several collections among the students creates ideal conditions for engaging petrography lessons. The specimens are numbered according to an explanatory list of contents.Our collections are handcrafted at Dr. F. Krantz in Bonn. Please note that rocks are natural products and no two specimens are ever exactly alike.Colors in product photos may vary slightly from those of the actual specimen due to technical reasons. Our images are provided as reference; upon purchase you will receive one collection of equivalent quality.

9 raw materialssample pieces of various sizesdelivered in a collector's box divided into compartmentsWhat kinds of raw materials are typically used in mobile phone manufacturing?This small collection showcases nine of them—the inside of the lid features a description, including the material’s name, percentage by weight in a cell phone, and its application.The collection was developed in collaboration with the Federal Institute for Geosciences and Natural Resources (BGR). Their website offers lesson plans specifically for this collection, as well as games and other resources for teaching professionals.Box size: 210 x 70 mmOur collections are handcrafted here in Bonn.Please note that rocks are natural products and no two pieces will everlook exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual product.Our images are provided for reference; upon purchase you will receive one collection of equivalent quality.

10 mineralsSize: approx. 20 x 20 mmSupplied in a collection box with compartments.Outer dimensions: 22 x 7.5 x 3 cmTypical minerals from the oxide, sulfide, and sulfate classes, with explanatory and illustrated text as well as information on their places of origin.Included are: feldspar, calcite, pyrite, halite, fluorite, mica, magnetite, smoky quartz, barite, and hematite.All in a sturdy plastic display case with compartments.Our collections are handmade in-house. Please note that minerals are natural products and no two pieces are ever exactly alike.Due to technical limitations, the colors on your screen may differ from those of the original specimens.Our images are for illustrative purposes; when you purchase, you will receive a collection of equivalent quality.

20 Oresaverage size: 45x60 mmin collector's boxesstored in a wooden crateOur small ore collection contains 20 of the most important raw materials used in the production of pure metals and alloys. It features the most common iron and steel refining ores as well as Cu, Pb, Zn, and Al ores.High-quality specimens in typical formation. Each collection comes with an explanatory booklet that lists the chemical composition, global deposits, and areas of application.The specimens are numbered and labeled. They are delivered in ‘system-bloc’ collection boxes, stored in a wooden crate.Our collections are handcrafted on our premises.Please note that stones are natural products and no two pieces are ever exactly alike.Due to technical limitations, the colors in product photos may vary slightly from those of the actual item.Our images are for reference only; when you make a purchase, you will receive a collection of equivalent quality.

20 oresaverage size: 60 x 90 mmsorted in System-bloc collection boxesThis small ore collection contains 20 of the most important raw materials for production of pure metals and alloys. It includes the most common iron and steel-refining ores as well as Cu, Pb, Zn, and Al ores.All specimens are rich in mineral content and exhibit typical forms. Each collection comes with an explanatory booklet detailing the chemical composition, global deposits, and areas of application.The specimens are numbered and labeled. Our collections are handcrafted within our own facility.Please note that rocks are natural products and no two specimens are ever exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original specimen.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

20 rock samplesarranged stratigraphicallySpecimen size: 60 x 90 mmarranged in collection boxes, delivered in a wooden case.Typical rocks from all geological formations reveal the evolutionary history of our planet. They document periods of increased volcanic or tectonic activity, extensive marine areas or large landmasses, climatic changes, and tell the story of life spreading across the Earth.All specimens are labeled with precise descriptions, as well as their age and location. A System-bloc film covers each label to prevent scratches or dirt.The rocks are numbered so they can be easily re-identified if a piece is removed. The collection is delivered in System-bloc boxes, which are arranged in a wooden case with a hinged lid.A detailed list of contents is included with each collection.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces are ever exactly alike.Due to technical limitations, the colors on your screen may differ from those of the original pieces.Our images are for illustrative purposes; upon purchase, you will receive a collection of equivalent quality.

20 rocksstratigraphically arrangedSpecimens: 90 x 120 mmsorted into collection boxes, delivered in a wooden case.In this collection, the evolutionary history of our planet is revealed through typical rocks from all geological formations. They bear witness to periods of increased volcanic or tectonic activity, vast oceanic expanses and enormous landmasses, climate changes, and tell the story of the evolution of life on Earth.Each specimen is labeled with a precise description, as well as its age and place of discovery. A protective film covers each label to shield it from scratches.All rocks are numbered so they can be easily re-identified if one is ever misplaced. The collection is delivered sorted into system-bloc collection boxes, which are stored in a wooden crate.A detailed list of contents is included with every collection.Our collections are handmade in our workshop in Bonn.Please note that rocks are natural products and no two piecesare ever exactly alike.Due to technical limitations, the colors on your screen may differ from those of the original pieces.Our images are for illustrative purposes; when you purchase, you will receive a collection of equivalent quality.

40 rock samplesstratigraphically arrangedspecimens: 60 x 90 mmsorted into collection boxes and delivered in a wooden case.This collection illustrates the evolutionary history of Earth through typical rock samples from all geological formations. They document periods of increased volcanic or tectonic activity, vast oceanic expanses or enormous landmasses, climate changes, and tell the story of how life spread across the Earth.The samples are labelled with tags indicating their exact name, age, and where they were found. A system-bloc film is placed over each label to protect it from scratches. All rocks are numbered so they can be easily re-identified in case one goes missing.The collection is delivered in system-bloc collection boxes, which are stored in a wooden box. A detailed list of contents is included with each collection.Our collections are handcrafted in our workshop in Bonn.Please note that rocks are natural products and no two piecesare ever exactly alike.Due to technical limitations, the colors on your screen may differ from those of the original pieces.Our images are for illustrative purposes; when you purchase, you will receive a collection of equivalent quality.

40 rocksarranged stratigraphicallySamples: 90x120 mmSorted into collection boxes, delivered in a wooden case.Rocks characteristic of each geological formation reveal the evolutionary history of planet Earth. They document periods of intense volcanic or tectonic activity, extensive marine areas or vast landmasses, climatic changes, and the expansion of life on our planet.The samples are supplied with labels indicating their exact name, age, and locality. A protective film shields each label from scratches.The rocks are numbered to facilitate easy re-identification should one ever be misplaced.This collection includes rocks arranged in system-bloc collection boxes and delivered packed in a nice wooden case.A detailed list of contents is included with each collection.All of our collections are handcrafted in-house.Please note that stones are natural products, and no two piecesare ever exactly alike.The photo is for illustrative purposes only; you will receive a collection of equivalent quality.

300 fossils of all geological eras.in collection boxwithout wooden boxThe fossils in this collection mark certain geological periods (Precambrian - today) by their occurrence. Arranged by geological age, they give an overview of the evolution of life. This collection was compiled for a first introduction to the world of paleontology in the school setting. It contains representatives of all major fossil animal and plant groups, as well as detailed introductory texts. All specimens are numbered and provided with labels, which give the exact name as well as age and place of discovery. They are supplied in ,system-bloc' collection boxes. A detailed contents list is included with each collection.The photos serve as example illustrations. You will receive a collection with similar contents.

100 fossils of all geological eras in collection boxesincl. wooden boxThis collection contains fossils which mark certain geological periods (Precambrian - today) by their occurrence. Arranged according to geological age, they give an overview of the development of life on Earth.Designed specifically for a first introduction to the world of paleontology in the school setting, it features representatives of all the major fossil animal and plant groups. Each fossil is accompanied by an explanatory drawing, as well as a detailed introductory text. The specimens are numbered and labelled with the exact name, age and place of discovery. They are supplied in 'system-bloc' collection boxes, which in turn are placed in sequence in a wooden case.A detailed contents list is included with each collection.

100 fossils of all geological eras in collection boxeswithout wooden boxThis collection contains fossils which mark certain geological periods (Precambrian - today) by their occurrence. Arranged according to geological age, they give an overview of the development of life on Earth.Designed specifically for a first introduction to the world of paleontology in the school setting, it features representatives of all the major fossil animal and plant groups. Each fossil is accompanied by an explanatory drawing, as well as a detailed introductory text. The specimens are numbered and labelled with the exact name, age and place of discovery. They are supplied in 'system-bloc' collection boxes.A detailed contents list is included with each collection.

150 mineralsSpecimens: 60 x 60 mm eachsorted in collection boxes—delivered WITHOUT wooden caseContent: 4 elements; 16 sulfides and sulfate salts; 5 halides; 26 oxides and hydroxides; 15 nitrates; carbonates and borates; 7 sulfates, chromates, tungstates, and molybdates; 7 phosphates, arsenates, vanadates; 71 silicates; 1 organic compound.Organized according to chemical composition with representative specimens for all groups of the classification system, this collection serves as a valuable foundation for teaching mineralogy.A detailed list of contents is included with each collection.Sample pieces are labeled with information specifying the exact name, as well as the age and locality of each specimen. Additionally, we use System-Bloc film to protect the label from dirt and scratches. All specimens are numbered to facilitate identification in case a sample has been misplaced.Our collections are handcrafted by Dr. F. Krantz in Bonn. Please note that minerals are natural products, no two pieces ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; upon purchase, you will receive a collection of equivalent quality.

150 mineralsSpecimens: 45 x 60 mm eachorganized in collection trays and presented in a wooden caseContains: 4 elements; 16 sulfides and sulfosalts; 5 halides; 26 oxides and hydroxides; 15 nitrates; carbonates and borates; 7 sulfates, chromates, tungstates, and molybdates; 7 phosphates, arsenates, and vanadates; 71 silicates; 1 organic compoundOrganized according to chemical composition and featuring representative specimens for all groups of the mineralogical system, this collection is an indispensable resource for teaching mineralogy classes. A detailed list of contents is included with each collection.The specimens are labeled and their tags provide exact identification, as well as age and locality of each specimen. In addition, we use a special film (System-Bloc Film) to prevent the label from becoming scratched.All specimens are numbered to facilitate identification in case a sample is misplaced.Our collections are handcrafted at Dr. F. Krantz’s facility in Bonn. Please note that minerals are natural products and no two specimensare ever exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual item.Our images are provided for reference; upon purchase, you will receive a collection of equivalent quality.

100 rocks.Sample pieces: 60 x 90 mmSupplied without wooden caseWe have selected particularly high-contrast rocks from sites around the world that impressively demonstrate the diversity of formations in the metamorphic, sedimentary, and igneous domains:46 igneous34 sedimentary, and20 metamorphic rocks.(Minor changes are possible!)Our range of systematically organized rock collections offers everything you need for petrographic education—from compact starter collections to comprehensive teaching collections for advanced courses.The collections include igneous, sedimentary, and metamorphic rocks, which are arranged within these categories according to current scientific classification.Each specimen is provided with a label containing information on name, age and locality. To protect against scratches, the label is additionally covered with a protective film.Thanks to numbering, the rocks can be easily identified and re-assigned should a specimen ever be misplaced.The collection is delivered in a clear, organized manner in sturdy System-Bloc collection boxes.A detailed list of contents accompanies every collection and ensures easy orientation.Our collections are handcrafted in-house.Please note that stones are natural products, and no two pieces are exactly alike.The photograph shown is for reference purposes; you will receive a collection of equivalent quality.

40 rock specimensSpecimens: 60 x 90 mmSorted into collection boxes and delivered in a wooden case.Includes approx. 17 igneous, 14 sedimentary, and 9 metamorphic rocks.With our small to large educational collections, we provide a solid foundation for both introductory and advanced petrography courses. Our collections are divided into igneous, sedimentary, and metamorphic rocks, and arranged within these groups according to modern systematics.All specimens are labeled with information indicating the name, age, and locality. To prevent scratches and dirt, all labels are protected by a film. The rocks are numbered so that they can be easily re-identified if one is ever misplaced.The specimens are delivered in System-Bloc collection boxes, which are in turn neatly arranged in a wooden case. A detailed inventory list is included with each collection. Our collections are handcrafted on our premises.Please note that rocks are natural products and no two pieces are ever exactly alike.The photo serves as an example; upon purchase, you will receive a collection of equivalent quality.

40 rocks.Specimens: 90 x 120 mmSorted into System-Bloc boxes, delivered in a wooden case.The set includes approximately 17 igneous, 14 sedimentary, and 9 metamorphic rocks.(subject to minor changes.)Our systematic rock collections offer a wide range:From basic compact collections to detailed teaching collections thatare suitable for both introductory and advanced petrography courses.The collections are clearly structured, with the rocks divided into igneous, sedimentary,and metamorphic groups and organized according to modern classification standards.Each specimen is numbered and labeled with both the exactname and the locality. The hand specimens are delivered in specialSystem-Bloc collection boxes, which are stored neatly in a sturdy wooden case.A detailed list of contents accompanies each collection for easyreference.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieceswill ever look exactly alike.The product photos are for reference; upon purchase, you will receive an equivalent collection.

This collection, based on lecture notes, summarizes the most important rock types.63 igneous rocks50 sedimentary rocksand 37 metamorphic rocks (small changes possible)Our range of systematic rock collections, featuring a selection of various classroom collections, provides everything needed to lay the foundation for both introductory and advanced petrography courses. The collections are divided into igneous, sedimentary, and metamorphic rocks and, within these groups, arranged according to modern systematic classification. All specimens are numbered and labeled with their exact designation and locality.They are delivered in System-bloc collection boxes.A detailed list of contents is included with each collection.Our collections are handcrafted in-house in Bonn. Please note that rocks are natural products and no two pieces are ever exactly alike. Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen. Our images are for reference only; when you purchase a collection, you will receive one of equivalent quality.

300 mineralshandpiece: 45 x 60 mmin collection boxesThis comprehensive compilation of the most important minerals has always been considered by experts as a valuable basis for advanced teaching. Among the 300 specimens are numerous rare, systematically important minerals as well as several varieties of common minerals. Arranged according to chemical composition with specimens for all groups of systematics, this collection is the indispensable basis for mineralogically oriented teaching. The minerals are numbered and labeled and are supplied in system-bloc collection boxes. There is a film over each label to prevent scratching. Each piece is numbered so that it can be reassigned if it is misplaced.A detailed contents list is included with each collection.

300 Mineralssample size: 60 x 60 mmarranged in collector's boxesThis comprehensive collection of the most important minerals has long been regarded by experts as a valuable resource for advanced education.Among the 300 specimens are numerous rare minerals of systematic importance, as well as several varieties of common minerals. Organized by chemical composition and featuring specimens representing all groups of the mineralogical system, this collection is an indispensable resource for courses focused on mineralogy.The minerals are numbered and labelled so they can be easily identified and reclassified. A System-bloc protective film covers each label to prevent smudging and scratches.The specimens are delivered in System-bloc collection boxes.A detailed list of contents is included with every collection.Our collections are handcrafted in-house in Bonn.Please note that rocks are natural products and no two specimens will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are for reference only; when you purchase a collection, you will receive one of equivalent quality.

Evidence of the Evolution of Animals and Plants20 fossilsin a collector's box with compartments and an accompanying bookletFossils are the remains of long-extinct plants and animals that escaped the process of decay and, after many years, became part of the rock. A fossil may contain the remainsof an organism itself, the imprint of an organism in sediment, or traces left behind by the organism during its lifetime.The set is delivered in a compartmentalized collector’s box along with a booklet thatexplains in detail how a fossil is formed and what an index fossil is.The specimens are numbered according to the list of contents.Our collections are hand-picked in Bonn.Please keep in mind that fossils are natural products and no two pieces will ever look exactly alike.The photos are provided as examples; upon purchase, you will receive one collection with equivalent contents.