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Formula: NiSb2
Antimonide,
löllingite group
Specific gravity: 8.0 calculated
Hardness: 5
Colour: Tin-white
Environments
Metamorphic environments
Hydrothermal environments
Localities
At the type locality, the Trout Bay Copper Mine, Mulcahy Township, Kenora District, Ontario, Canada, nisbite was
found in a massive base-metal sulphide ore deposit in which the principal opaque minerals consist of coarse grains and
inclusions of pyrrhotite,
sphalerite and chalcopyrite.
There are lesser amounts of galena,
marcasite, arsenopyrite,
cobaltite, pyrargyrite,
paracostibite, gudmundite,
stannite, silver-bearing
tetrahedrite, antimonial silver,
allargentum, ilmenite,
breithauptite, cassiterite
and nisbite.
Nisbite was found in only two polished sections from core samples, as irregular grains up to 20 µm in size
together with chalcopyrite,
breithauptite, pyrargyrite,
galena, pyrrhotite and
tetrahedrite
(CM 10.232-246).
At the Festival'noe mine, Komsomolski ore District, Khabarovskiy Kray, Far-Eastern Region, Russia, nisbite is
associated with pyrrhotite,
chalcopyrite, galena,
arsenopyrite, tetrahedrite,
breithauptite, ullmannite and
native bismuth
(CM 18.165-171).
At the Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland County, Sweden,
costibite, paracostibite,
nisbite and cobalt-bearing
ullmannite were found associated together for the first time in the small
lead-zinc-copper-silver
deposits in skarn. They were probably formed by remobilisation of
cobalt from older
sulphides by hydrothermal solutions during emplacement of late granites.
Nisbite occurs as small grains up to 4 microns in size at the contacts between
galena and pyrrhotite grains
(CM 18.165-171).
Other associated minerals include oenite,
allargentum, bismuth,
breithauptite, gudmundite,
chalcopyrite, bornite,
tetrahedrite, pyrrhotite,
galena, sphalerite and
gersdorffite
(HOM).
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