"WardsSci000478"

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

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

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

Clear, euhedral points and sections.

Beginner’s Collection Illustrates Important Physical Properties

White, fine, massive, opaque to slightly translucent.

Massive, chlorite-rich.

Foliated biotite, coarse, silvery gray with quartz-feldspar bands.

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

Pink/gray coarse carbonate rock.