Arseniosiderite

Arseniosiderite


Composition: Ca2Fe3+3(AsO4)3O2.3H2O
Crystal System : Monoclinic
Colours: Golden-yellow, greenish-yellow, brownish-yellow
Lustre : Resinous, greasy, silky, sub-metallic
Hardness (H) : 4.5
Specific Gravity (S.G) : 3.58-3.60

Distribution

Very rare. Second oxidation zone, between 28 and 30 levels.

Occurrence

  • Supergene
  • 2nd Oxidation Zone

Paragenetic and General Notes

As golden-yellow to dark-brown sub-metallic masses.