Specimens

Brown, fluorescent crystals intergrown in dolomite rock.

Clear, euhedral points and sections.

Pure kaolinite powder, 200 mesh.

Deep blue, massive, with nepheline; key feldspathoid.

Black, Micaceous, glittery metallic.

Bright metallic cubic cleavages; lead ore.

Great for geology hardness tests.

Deep purple crystal clusters.

White, fine, massive, opaque to slightly translucent.

Good grade, bronze-colored ore, massive.