Conichalcite is the arsenic rich end member of the series and calciovolborthite is the vanadium rich end member. Color is typically various shades of green. Luster is vitreous, pearly or dull. Specimens are transparent to opaque. Crystal Habit is typically in druzy crusts and masses.
Cleavage is none.
Fracture is uneven. Hardness is 3 to 4. Streak is pale green to gray.