"Freeze-Dried Specimens"

Pink/gray coarse carbonate rock.

Dark, coarse-grained, and composed chiefly of hornblende.

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

Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.

Sale

Gray metamorphosed shale showing "slaty cleavage".

Perfect for Introductory Lessons on Metamorphic Rocks.

Includes: six each of marble, slate, and quartzite. Set of 18.

Common rocks and minerals for testing and identification studies are 2–3cm each.

Soapstone is a talc-schist primarily composed of talc.

Sale

Dark-green 'verde antique', containing some chlorite and calcite.

Pink Gneiss is foliated pink and black bands of biotite.

Sale

Pink and gray bands, with biotite; shows good foliation.

Gray to white metamorphosed carbonate rock.