Mineralogy

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.

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.

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 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.