Betpakdalite-CaCa

Betpakdalite CaCa


Composition: [Ca2(H2O)17Ca(H2O)6][Mo8As2Fe3+3O36(OH)]
Crystal System : Monoclinic
Colours: Lemon-yellow, mustard-yellow, orange-yellow
Lustre : Waxy
Hardness (H) : 3

Distribution

Rare.

Occurrence

  • Supergene
  • 2nd Oxidation Zone

Paragenetic and General Notes

As canary-yellow, powdery, microcrystalline crusts, and more rarely as small, well-formed, mustard-yellow crystals, typically associated with quartz.