"Freeze-Dried Specimens"

Fightly cemented, medium-to-coarse quartz grains.

Massive, chlorite-rich.

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

Fine crystalline, pure calcite.

Chlorite-mica with perfect slaty cleavage.

Gray, fine-grained, massive contact rock.

Slaty cleavage; contains hematite.

White, very dark green, and very dark red to light red granoblastic intergrowth of wollastonite, diopside, and andradite.

Chlorite-bearing.

Lustrous, black 'hard coal'.

Gray to white, coarse crystalline, carbonate rock.

Introduce your students to rocks formed metamorphism of other rocks.

Slaty metamorphic rock containing hematite giving it its red color.

Sale

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

Pink/gray coarse carbonate rock.

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