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Formula: Fe3+2(SO4)3.7H2O (?)
Hydrated sulphate
Crystal system: Monoclinic
Specific gravity: 2.306 measured, 2.254 calculated
Streak: White
Colour: Pale rose-pink to violet
Solubility: Water soluble
Environments
Kornelite is an uncommon secondary mineral formed by
oxidation of pyrite
(HOM).
Localities
At the type locality, Smolník, Gelnica District, Košice Region, Slovakia, kornelite occurs as a weathering
product in a pyrite mine, associated with
voltaite and coquimbite
(Mindat).
At the Copper Queen Mine, Queen Hill, Bisbee, Cochise County, Arizona, USA, kornelite is associated with
coquimbite, römerite,
copiapite, voltaite and
rhomboclase
(HOM).
Kornelite from the Copper Queen Mine -
Image
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