Formula: Cu5(PO4)2(OH)4

Colour: Blue-green

Lustre: Vitreous

Specific Gravity: 4.36 (Calculated)

Crystal System: Triclinic

Name: Named for the type locality; the Ludjiba deposit, near the Ludjiba River, Democratic Republic of the Congo.

Type Locality: Ludjiba prospect, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Polymorph of: Pseudomalachite, Reichenbachite

May overgrow pseudomalachite (which is usually darker then), or may be intergrown with the latter.