"Ward's Phenomena"

Brown, fluorescent crystals intergrown in dolomite rock.

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

Gemmy, sherry-colored crystals and sections approximately 3/8– 1/2"

Feldspar group; pink cleavages showing perthitic texture, common potassium feldspar, Mohs’ hardness of 6.

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

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

Brownish gray, translucent.

Deep purple crystal clusters.

Clear, pure cleavages, Mohs’ hardness of 2.

Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

Nearly pure, green crystalline forsterite.

Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.

Fresh Green forsterite, classic “twin sisters” dunite.

Pure, bright yellow, Frasch sulfur.

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

Yellow to orange crystal with a glassy luster and smooth, often transparent appearance.