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Metamorphosed rock showing foliation and rich in hornblende.

Pegmatite is igneous rock similar to granite but with larger crystals.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

White to gray, medium to coarse-grained, crystalline.

Gray metamorphosed shale showing "slaty cleavage".

Gray to white metamorphosed carbonate rock.

Selenite is a Clear gypsum mineral with a moh's hardness of 2.

Pink Gneiss is foliated pink and black bands of biotite.

Fluorite is Green Halide mineral with moh's hardness 4.

Calcite is a translucent calcium carbonate mineral, mohs hardness 3.

Gray to tan clastic rock made of silt sized particles.

Red clastic rock composed of sand sized particles and hematite.

Soapstone is a talc-schist primarily composed of talc.

Limestone is a gray calcium carbonate that will fizz with dilute HCl.

A textbook example of pure crystalline carbon which is extermely soft.

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