Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
Fluorapatite occurs as vitreous, orange globules up to 1 mm across, often forming botryoidal crusts associated with mongomeryite and gordonite. The globules show faint concentric growth banding. Also crusts of tiny white needles of Fluorapatite occur lining cavities and coating the orange globular variety, giving them a furry appearence.
Parwan lava caves, Parwan, Moorabool Shire, Victoria, Australia