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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® Fluorite (Fluorescent)
Brown, fluorescent crystals intergrown in dolomite rock.
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Ward's® Quartz (Chert)
Light gray, compact, hard, opaque, microcrystalline silica mineral.
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Ward's® Topaz (Crystals)
Gemmy, sherry-colored crystals and sections approximately 3/8– 1/2"
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Ward's® Oligoclase
Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.
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Ward's® Magnetite (Crystalline)
Spinel group; black, dull metallic luster; common iron oxide.
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Ward's® Microcline (Pink)
Feldspar group; pink cleavages showing perthitic texture, common potassium feldspar, Mohs’ hardness of 6.