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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.
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Ward's® Labradorite (Cleavage)
Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.
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Ward's® Fluorite (Fluorescent)
Brown, fluorescent crystals intergrown in dolomite rock.
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Ward's® Hornblende (Cleavage)
Amphibole group; dark greenish black cleavages, somewhat columnar.
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Ward's® Hematite (Red Ochre)
Red, earthy, in natural chunk form; common pigment ore.
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Ward's® Azurite
Bright blue crystalline veins and coatings in a matrix of mixed copper ore.
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Ward's® Diamond
Small 1–1.5 mm crystal, octahedrans or cubes, Mohs” hardness of 10.
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Ward's® Coals, Set Of 4
A classroom set that covers the major types of coal.
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Calcite (Chalk)
Classic, white chalk, massive; from Cliffs of Dover, England.
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Ward's® Corundum
Crystals and crystal sections up to 1", Mohs’ hardness of 9.
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Ward's® Fluorite (Cleavage)
Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.