"Classroom Minerals"

Deep blue, massive, with nepheline; key feldspathoid.

White, fibrous, silky luster.

Red, earthy, in natural chunk form; common pigment ore.

Brown, fluorescent crystals intergrown in dolomite rock.

White, fine, massive, opaque to slightly translucent.

Fresh Green forsterite, classic “twin sisters” dunite.

Clear, euhedral points and sections.

Pure, white, earthy “China clay”.

Black, high grade, foliated, greasy feel.

Amphibole group; dark greenish black cleavages, somewhat columnar.