Classroom Minerals
Mineral specimens are cut in a variety of sizes to meet various user needs, with common uses including identification on the part of students, displays to be used during lectures and demonstrations, or as chips for convenient physical identification tests in labs. These mineral specimens also demonstrate a number of classic geological features, such as cleavage, and collections of minerals can be used to test the Mohs hardness of other minerals and compare them.
Ward's® Copper
Supplier: Avantor
Cleaned, pure, bright, metallic native copper.
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Ward's® Sodalite
Supplier: Avantor
Deep blue, massive, with nepheline; key feldspathoid.
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Ward's® Corundum
Supplier: Avantor
Crystals and crystal sections up to 1", Mohs’ hardness of 9.
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Ward's® Gypsum (Alabaster)
Supplier: Avantor
White, fine, massive, opaque to slightly translucent.
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Ward's® Coals, Set Of 4
Supplier: Avantor
A classroom set that covers the major types of coal.
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Ward's® Kaolin (Massive)
Supplier: Avantor
Pure, white, earthy “China clay”.
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Ward's® Gypsum (Satin Spar)
Supplier: Avantor
White, fibrous, silky luster.
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Ward's® Kaolin (Powdered)
Supplier: Avantor
Pure kaolinite powder, 200 mesh.
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Ward's® Labradorite (Cleavage)
Supplier: Avantor
Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.
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Ward's® Hornblende (Cleavage)
Supplier: Avantor
Amphibole group; dark greenish black cleavages, somewhat columnar.
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Ward's® Magnetite (Lodestone)
Supplier: Avantor
Spinel group; iron-black, massive; natural magnet.
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Calcite (Chalk)
Supplier: Avantor
Classic, white chalk, massive; from Cliffs of Dover, England.
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Ward's® Hematite (Red Ochre)
Supplier: Avantor
Red, earthy, in natural chunk form; common pigment ore.
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