Pseudomalachite


Composition: Cu2+5(PO4)2(OH)4
Crystal System : Monoclinic
Colours: Dark-green, blackish-green, bluish-green
Lustre : Vitreous, dull
Hardness (H) : 4.5-5.0
Specific Gravity (S.G) : 4.35

Distribution

Extremely rare. Second oxidation zone, 28 Level, E.49 Stope.

Occurrence

  • Supergene
  • 2nd Oxidation Zone

Paragenetic and General Notes

Occurs with manganese oxides on hydroxylapatite, lining a vug in the type specimen for hermannroseite. Conichalcite and whitlockite are also associated.