"WardsSci000478"

Dark, waxy, bitumin-rich.

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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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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.

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

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1 pound of black sand packaged in a heat-sealed bag.

Perfect for introductory lessons on metamorphic rocks.

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