"WardsSci000444"

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

Kaolin is a white clay mineral that has vast industrial uses

Pyroxene group; gray-green, coarse crystalline.

Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.

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

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

Blue fluorapatite, pure crystalline, Moh's hardness of 5.

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

Feldspar group; calcium end member plagioclase crystals in pyroxene matrix.

Cut black mica cleavage sheets.