Classroom Minerals

Clear, euhedral points and sections.

Pure kaolinite powder, 200 mesh.

Amphibole group; black, coarse, massive.

Deep blue, massive, with nepheline; key feldspathoid.

Great for geology hardness tests.

Bright metallic cubic cleavages; lead ore.

Black, high grade, foliated, greasy feel.

White, fine, massive, opaque to slightly translucent.

Black, Micaceous, glittery metallic.

Deep purple crystal clusters.