"Freeze-Dried Specimens"

Gray to white, coarse crystalline, carbonate rock.

Lustrous, black 'hard coal'.

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

Altered Igneous and Sedimentary Rocks are Clearly Represented

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

Sale

Gray metamorphosed shale showing "slaty cleavage".

Introduce your students to rocks formed metamorphism of other rocks.

Phyllite is a light-gray foliated rock formed from metamorphosed slate.

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.