Agardite -(Ce)

Composition: CeCu2+6(AsO4)3(OH)6.3H2O
Crystal System : Hexagonal
Colours: Spearmint-green, pistachio-green
Lustre : Sub-vitreous, resinous, silky
Hardness (H) : 3-4
Specific Gravity (S.G) : 3.7
References: Gebhard (1999)


Rare. Second oxidation zone (30 Level), first found in 1992. Third oxidation zone (on reddish-brown calcite).


  • Supergene
  • 2nd Oxidation Zone
  • 3rd Oxidation Zone

Paragenetic and General Notes

Sprays of acicular crystals on dolomite, calcite, or iron-rich matrix. Reported associates include duftite, malachite, azurite.