"VWR"

Pink Gneiss is foliated pink and black bands of biotite.

Slaty metamorphic rock containing hematite giving it its red color.

Gray metamorphosed shale showing "slaty cleavage".

Gray to white metamorphosed carbonate rock.

Soapstone is a talc-schist primarily composed of talc.

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

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

Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.

Massive white quartz with a moh's hardness 7.

Metamorphosed rock showing foliation and rich in hornblende.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

Massive sedimentary gypsum with a moh's hardness 2..

Small fossil shrimp.

Beautiful deep green, prismatic, crystalline spray.

Nearly complete in matrix.

Small individual ammonite classically preserved in the black matrix of the famous Holzmaden quarry.