From : Krettnich, Saarland, Germany  (Type Locality)
 
The rare lead-manganese-vanadate Krettnichite is known only from 3 localities worldwide. On this specimen it occurs as dark brown to almost black rhombic crystals in paragenesis with black metallic
Manganite. Rare mineral in well shaped typical crystals !
 
Dimensions : 1,8 x 0,9 x 0,9 cm