"STEM kits"

Hemalite is a Massive, dense red to gray, classic example of iron ore.

Gray metamorphosed shale showing "slaty cleavage".

Bituminous rich black shale for hands-on investigations.

Sale

Talc is the softest know mineral with a moh's hardness of 1, and composed of clay.

Sale

Pink/grey marble colored metamorphosed carbonate rock.

Shale is a rich, gray fissile clay rock.

Sale

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

Gray to tan clastic rock made of silt sized particles.

Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.

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

Sale