"Ward's Phenomena Lab Activities"

Cut black mica cleavage sheets.

Good grade, bronze-colored ore, massive.

Deep blue, massive, with nepheline; key feldspathoid.

Crystals and crystal sections up to 1", Mohs’ hardness of 9.

Cleaned, pure, bright, metallic native copper.

Small to moderate sized crystals within a mafic matrix and cleavage visible in some specimens.

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

Good grade, green, massive; copper ore.

Classic “peacock” aluminum ore.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.