"Classroom Mineral Specimens"

Soapstone is a talc-schist primarily composed of talc.

Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.

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

Massive white quartz with a moh's hardness 7.

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

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

Clear rhombs showing double refraction.

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

Deep purple crystal clusters.

Iron oxide-hydroxide mineral; reddish brown to black color; crystal habit ranges from massive to acicular.

Light gray, compact, hard, opaque, microcrystalline silica mineral.

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

Nearly pure, green crystalline forsterite.

Good grade, bronze-colored ore, massive.

Dark brown to black; polycrystalline zinc ore.

Pure, bright yellow, Frasch sulfur.