"WardsSci000478"

Dark, waxy, bitumin-rich.

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

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

Sale

Light gray, earthy.

Brownish gray, kerogen-rich; commercial oil source.

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

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

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

Perfect for introductory lessons on metamorphic rocks.

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