Color is green to bluish green or white to colorless. Luster is vitreous. Found as linings in variscite nodules. Also granular, massive and fibrous crusts. Cleavage is good in one direction, basal.
Fracture is conchoidal.
Hardness is 5. Streak is white. Associated Minerals are quartz , feldspars , lazulite , amblygonite , variscite and crandallite .