Mineral Specimens

Amphibole group; black, coarse, massive.

White, fine, massive, opaque to slightly translucent.

Black, high grade, foliated, greasy feel.

Pure, white, earthy “China clay”.

Black, Micaceous, glittery metallic.

Brown, earthy, massive; used for yellow pigment.

Amphibole group; dark greenish black cleavages, somewhat columnar.

Clear, pure cleavages, Mohs’ hardness of 2.

Dark brown to black; polycrystalline zinc ore.

Light pink, massive, crystalline, translucent.