Introductory Collection: 20 essential minerals

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.

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.

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.

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.