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Formula: Cu2+Al(SO4)2Cl.14H2O
Hydrated sulphate containing halogen, aubertite group
Crystal System: Triclinic
Specific gravity: 1.815 measured, 1.85 calculated
Hardness: 2 to 3
Colour: Azure-blue
Solubility: Soluble in water
Environments
Localities
At the type locality, the Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province,
Antofagasta, Chile, aubertite occurs as azure-blue crusts of corroded grains, associated with
copiapite, amarantite,
parabutlerite and
hohmannite
(AM 65.205-210).
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