"WardsSci000478"

Large, black, rounded tektite, 1 1/2". Thailand.

White, fine, massive, opaque to slightly translucent.

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Examples of the More Important Minerals Found in Rocks

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Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

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Ward's® highest quality and purest mineral offerings.

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Polished, etched iron meteorite slice showing Widmanstatten structure, 1–1 1/2".

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Pure, bright yellow, Frasch sulfur.

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Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

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Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

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This coloful mix of naturally colored polished stones are available in a variety of tumbled sizes. 1 lb. package.