"STEM kits"

Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.

Sale

Shale is a rich, gray fissile clay rock.

Sale

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

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

Sale

Introduce your students to rocks formed from the cooling of magma and lava.

Scoria is a dark-colored rock formed from lava with a high gas content.

Green colored rock formed from the metamorphism of ultramafic mantle rocks.

Sale

Introduce your students to rocks formed metamorphism of other rocks.