Parnauite


Composition: Cu9(AsO4)2(SO4)(OH)10.7H2O
Crystal System : Orthorhombic
Colours: Blue-green
Lustre : Vitreous
Hardness (H) : 2
Specific Gravity (S.G) : 3.09
References: Keller (1984)

Distribution

Extremely rare.

Occurrence

  • Supergene

Paragenetic and General Notes

Parnauite occurs as blue coatings and crusts in tennantite-rich ore (Keller, 1984; Gebhard, 1999).