Luster is vitreous. Specimens are translucent to less often transparent. Crystal System is triclinic. Crystal Habits include tiny prismatic to tabular crystals and crusts. Cleavage is perfect.
Fracture is uneven.
Streak is green. Associated Minerals include malachite , libethenite , olivenite and limonite . Best Field Indicators are color, locality, crystal habit, associations and perfect cleavage.