"Freeze-Dried Specimens"

Kaolin is a white clay mineral that has vast industrial uses

Sale

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

Sale

Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

Sale

Pure, bright yellow, Frasch sulfur.

Sale

Ward's® highest quality and purest mineral offerings.

Sale

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

Sale

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

Sale