Color is blue-green to green. Luster is vitreous. Specimens are translucent to transparent. Crystal System is monoclinic. Crystal Habits include small tabular crystals that can form rosettes and encrusting masses.
Cleavage is poor but discernible.
Fracture is uneven. Streak is pale green. Associated Minerals include serpierite , glaucocerinite , smithsonite , pyrite , chalcopyrite and gypsum . Best Field Indicators are crystal habit, color, associations and locality.