Leightonite


Composition: K2Ca2Cu2+(SO4)4.2H2O
Crystal System : Triclinic
Lustre : Vitreous
Hardness : 3
Specific Gravity : 2.95

Occurrence

  • Supergene
  • 2nd Oxidation Zone

Notable Finds

White leightonite crystals are associated with chalcanthite, lammerite, anhydrite and ferroan thometzekite on 35 Level (Gebhard, 1999). Keller and Bartelke (1982) reported almost the same assemblage (minus the thometzekite) specifically from the "North-East Stope" on 35 Level.