Fraipontite


Composition: (Zn,Cu,Al)3(Si,Al)2O5(OH)4
Crystal System : Orthorhombic
Colours: Colourless to blue
Lustre : Pearly
Hardness (H) : 2.5
Specific Gravity (S.G) : 3.08-3.54


Distribution

Extremely rare. Second oxidation zone as part of the gebhardite type assemblage. (Medenbach et al. 1983).

Occurrence

  • Supergene
  • 2nd Oxidation Zone