"WardsSci000444"

Red, classic oolitic texture.

Good grade, green, massive; copper ore.

White, fibrous, silky luster.

White, fine, massive, opaque to slightly translucent.

Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.

Amphibole group; dark greenish black cleavages, somewhat columnar.

Nearly pure, green crystalline forsterite.

Pure, bright yellow, Frasch sulfur.

Brown, fluorescent crystals intergrown in dolomite rock.

Brown, earthy, massive; used for yellow pigment.