"STEM kits"

Gray to white metamorphosed carbonate rock.

Muscovite is a mica mineral cut to demonstrate basal cleavage.

Gray metamorphosed shale showing "slaty cleavage".

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

Sale

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

Introduce your students to rocks formed metamorphism of other rocks.