Luster is vitreous to silky. Crystals are transparent to translucent. Crystal System is hexagonal. Crystal Habits include tufts of acicular crystals. Cleavage not noticeable.
Fracture is conchoidal.
Hardness is 3 - 4. Streak is green. Associated Minerals are limonite , adamite , mimetite and olivenite . Best Field Indicators are color, crystal habit, density and associations.