"pathway PLASTICS, INC."

Clear, pure cleavages, Mohs’ hardness of 2.

White, fibrous, silky luster.

Pure, bright yellow, Frasch sulfur.

Pure, white, earthy “China clay”.

Cleaned, pure, bright, metallic native copper.

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

Black, Micaceous, glittery metallic.

Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

Dark brown to black; polycrystalline zinc ore.

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

Amphibole group; dark greenish black cleavages, somewhat columnar.

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

Spinel group; black, dull metallic luster; common iron oxide.

Spinel group; iron-black, massive; natural magnet.

Amphibole group; black, coarse, massive.

Light gray, compact, hard, opaque, microcrystalline silica mineral.