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Formula: Ca2V5+2O7.9H2O
Vanadate
Streak: Yellow-green
Colour: Light to dark green
Solubility: Slowly soluble in water
Environments
Pintadoite is a secondary mineral occurring as efflorescences on
sandstone in protected outcrops, associated with
gypsum and quartz
(Mindat, HOM).
Localities
At the type locality, Frisco No. 2 claim, Pintado Canyon, San Juan county, Utah, USA, pintadoite occurs in
sandstone associated with gypsum
and quartz
(Mindat).
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