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Formula: BiOF
Oxyhalide, matlockite group,
pseudomorphous after
bismuthinite (Dana)
Crystal System: Tetragonal
Specific gravity: 7.88 to 8.34 measured, 9.21 calculated
Hardness: 2 to 2½
Streak: Grey-white
Colour: Grey
Environments
Metamorphic environments
Hydrothermal environments
Localities
At Fielders Hill, Clive county, New South Wales, Australia, zavaritskite occurs in a
quartz-muscovite-topaz
greisen, associated with bismuthinite
(HOM).
At the type locality, Sherlova Gora, Adun-Cholon Range, Nerchinsk Gem mines, Nerchinsk, Zabaykalsky Krai, Russia, zavaritskite occurs as
an alteration product of bismuthinite in bismuth-bearing
hydrothermal ore deposits in
quartz-topaz-siderophyllite
greisen cutting a granite pluton. Associated minerals
include bismuthinite, bismuth,
bismutite and gold
(AM 48.210, HOM, Webmin).
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