"Freeze-Dried Specimens"

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

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

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

Perfect for Introductory Lessons on Metamorphic Rocks.

Slaty cleavage; contains hematite.

Introduce your students to rocks formed metamorphism of other rocks.

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

Chlorite-bearing.

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

Light gray, fine-grained, well-foliated, schistose.

Pink/gray coarse carbonate rock.