Formula: Cu(UO₂)₂(SiO₃OH]₂ · 6H₂O

Species: Silicates – (Nesosilicates)

Colour: Yellowish green to grass green or greenish yellow

Lustre: Silky, Dull

Hardness: 4

Specific Gravity: 3.85

Crystal System: Triclinic

Member of: Sklodowskite Group

Name: Named because it was originally thought to be the copper analogue of sklodowskite.

Type Locality: Kalongwe deposit, Kolwezi mining district, Lualaba – DR Congo