"WardsSci000444"

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

Amphibole group; dark greenish black cleavages, somewhat columnar.

Clear, euhedral points and sections.

Good grade, green, massive; copper ore.

White, fine, massive, opaque to slightly translucent.

Nearly pure, green crystalline forsterite.

Pure, bright yellow, Frasch sulfur.

Pure, white, earthy “China clay”.

Cleaned, pure, bright, metallic native copper.

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