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

Bright metallic cubic cleavages; lead ore.

Black, high grade, foliated, greasy feel.

White, fine, massive, opaque to slightly translucent.

White, fibrous, silky luster.

Clear, pure cleavages, Mohs’ hardness of 2.

Himalayan mineral great for teaching and display.

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.

Mica group; cut sheets showing basal cleavages. Books and sheets in bulk pack.

Fresh Green forsterite, classic “twin sisters” dunite.

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