"WardsSci000478"

Dark, waxy, bitumin-rich.

An introductory rock set contains six samples from each of the three major rock types.

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[NA_SciEd] Ward's® Schist (Talc Tremolite)

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Examples of the More Important Minerals Found in Rocks

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White, fine, massive, opaque to slightly translucent.

Epidote (Single crystal), Ward's

Light gray, earthy.

Survey set improves student's recognition of all three major rock groups.

Gray-to-brown basaltic, with over 50% vesicles.

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Brownish gray, kerogen-rich; commercial oil source.