"VWR"

Perfect for Introductory Lessons on Metamorphic Rocks.

White and black bands of quartz, feldspar, and biotite; typical foliation.

Gray, fine-grained, massive contact rock.

Fine crystalline, pure calcite.

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

Altered Igneous and Sedimentary Rocks are Clearly Represented

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

Gray to white, coarse crystalline, carbonate rock.

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

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

Slaty cleavage; contains hematite.

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

Massive, chlorite-rich.

Chlorite-bearing.

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

Introduce your students to rocks formed metamorphism of other rocks.