Formula: CuCo(CO₃)(OH)₂

Species:

Colour: Black, brown, beige, pale beige, greenish

Hardness: 4

Specific Gravity: 3.97

Crystal System: Triclinic

Type Locality: Musonoi Mine (Musonoi Extension Mine), Kolwezi, Kolwezi mining district, Lualaba – DR Congo

Probably Rosasite Group.