Specimens Beraunite is a scarce, but popular phosphate mineral for collectors. It can have a nice color and luster and its rarity make it an ideal collection specimen. This chemistry reflects the fact that the mineral formed in not quite completely oxidized conditions, a situation that interests geochemists. Color is yellow, brown, red, green or yellow. Luster is vitreous.
Specimens are translucent to transparent.
Crystal System is monoclinic. Crystal Habits include acicular, tabular, encrusting or radiating fibrous crystals. Cleavage is good. Fracture is uneven. Streak is yellow.