Composition: (Cu,Zn)2(CO3)(OH)2
Crystal System : Monoclinic
Lustre : Velvety, dull
Hardness : 4.5
Specific Gravity : 4.0-4.2
References: Gebhard (1999)


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

Notable Finds

In the upper part of the first oxidation zone, pseudomorphs and "double pseudomorphs" after azurite were reasonably common. In the third oxidation zone, macroscopic crystals of rosasite were found - such crystals were hitherto virtually unknown for the species (Gebhard, 1999).