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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® Oligoclase

Ward's® Oligoclase

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

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Ward's® Malachite

Ward's® Malachite

Good grade, green, massive; copper ore.

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Ward's® Chalcopyrite

Ward's® Chalcopyrite

Good grade, brass-yellow copper ore, massive.

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Ward's® Diopside

Ward's® Diopside

Pyroxene group; gray-green, coarse crystalline.

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Ward's® Bauxite

Ward's® Bauxite

Classic “peacock” aluminum ore.

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Ward's® Diamond

Ward's® Diamond

Small 1–1.5 mm crystal, octahedrans or cubes, Mohs” hardness of 10.

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Ward's® Albite

Ward's® Albite

Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.

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Ward's® Azurite

Ward's® Azurite

Bright blue crystalline veins and coatings in a matrix of mixed copper ore.

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Ward's® Biotite

Ward's® Biotite

Cut black mica cleavage sheets.

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Ward's® Pyrrhotite

Ward's® Pyrrhotite

Good grade, bronze-colored ore, massive.

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