"Ward's Phenomena"

Amphibole group; black, coarse, massive.

Black, Micaceous, glittery metallic.

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.

A classroom set that covers the major types of coal.

White, fine, massive, opaque to slightly translucent.

Red, classic oolitic texture.

Pure, white, earthy “China clay”.

Light pink, massive, crystalline, translucent.