Minéraux pour la classe

Pyroxene group; gray-green, coarse crystalline.

White, massive, coarse crystalline vein, Mohs’ hardness of 7.

Amazonite

Brownish gray, translucent.

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

Amphibole group; dark greenish black cleavages, somewhat columnar.

Pure kaolinite powder, 200 mesh.

White, fibrous, silky luster.

Clear to yellow translucent.

Light pink, massive, crystalline, translucent.