Mineral Specimens

Brownish gray, translucent.

Pyroxene group; gray-green, coarse crystalline.

Amazonite

A classroom set that covers the major types of coal.

White, massive, coarse crystalline vein, Mohs’ hardness of 7.

Spinel group; black, dull metallic luster; common iron oxide.

Exemplary display of hexoctahedral crystal shape.

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

Sale

Gemmy, sherry-colored crystals and sections approximately 3/8– 1/2"

Good grade, brass-yellow copper ore, massive.