"WardsSci000444"

Feldspar group; greenish gray alkali feldspar, coarse crystalline, some iridescence.

Cut black mica cleavage sheets.

Clear, euhedral points and sections.

Fresh Green forsterite, classic “twin sisters” dunite.

White, fibrous, silky luster.

Deep blue, massive, with nepheline; key feldspathoid.

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

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

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

Amphibole group; dark greenish black cleavages, somewhat columnar.