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Formula: Bi(VO4)
Anhydrous normal vanadate, bismuth-bearing
mineral, paramorph of
dreyerite and
pucherite
Crystal System: Monoclinic
Specific gravity: 6.949 calculated
Hardness: Very soft
Streak: Yellow
Colour: Yellow, orange, pale orange, deep reddish orange
Environments
Clinobisvanite occurs as an accessory mineral in pegmatites, as an
oxidation product of other bismuth-bearing minerals
(HOM).
At the type locality, the Kempton Brothers Beryl Mine pegmatites, Yinnietharra, Upper Gascoyne Shire, Western Australia,
clinobisvanite occurs often intergrown with bismutite and
pucherite, and on garnet in
beryl-bearing spessartine pegmatites (Dana).
Other associated minerals include bismite, bismuth,
vanadinite, beyerite,
namibite and scheelite
(HOM, Mindat).
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