"Specimens"

White, fibrous, silky luster.

Clear, pure cleavages, Mohs’ hardness of 2.

Red, classic oolitic texture.

Black, Micaceous, glittery metallic.

Pure, white, earthy “China clay”.

Brown, earthy, massive; used for yellow pigment.

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

Good grade, green, massive; copper ore.

Fresh Green forsterite, classic “twin sisters” dunite.

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

Pyroxene group; gray-green, coarse crystalline.

Good grade, bronze-colored ore, massive.

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

Clear, euhedral points and sections.

Light pink, massive, crystalline, translucent.

Pure, bright yellow, Frasch sulfur.