Composition: Cu2+2Fe3+2(AsO4)2(OH)4.H2O
Crystal System : Monoclinic
Colours: Grass-green, olive-green
Lustre : Waxy, earthy
Hardness (H) : 3.5-4.5
Specific Gravity (S.G) : 4.38
References: Gebhard (1999)


Very rare. Reported by Maucher (1908) from the first oxidation zone, but not confirmed. In the third oxidation zone on 44 Level.


  • Supergene
  • 1st Oxidation Zone
  • 3rd Oxidation Zone

Notable Finds

A discovery on 44 Level in 1994, with silver-amalgam and ferrilotharmeyerite.

Paragenetic and General Notes

Occurs as part of an unusual paragenesis, with chalcocite, silver amalgam, zincolivenite and ferrilotharmeyerite, on 44 Level, in the third oxidation zone.