"Freeze-Dried Specimens"

Altered Igneous and Sedimentary Rocks are Clearly Represented

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

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

Sale

High grade metamorphosed rock showing bands of quartz, feldspar, and biotite.

Sale

Gray metamorphosed shale showing "slaty cleavage".

Chlorite-bearing.

Gray to white, coarse crystalline, carbonate rock.

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.

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