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Formula: Ni9Sb2S8
Sulphide, hauchecornite group,
nickel and antimony bearing
mineral
Crystal System: Tetragonal
Specific gravity: 6.15 calculated
Hardness: 6
Colour: Brass-yellow
Common impurities: Co,Fe,As,Bi,Te
Environments
Metamorphic environments
Hydrothermal environments
Localities
At the type locality, the Kanowna Goldfield, Kalgoorlie-Boulder Shire, Western Australia, tučekite was found in
the hydrothermal deposit as microscopic grains in a mineralised chlorite
schist, as rims and irregular grains partly replacing
millerite. Associated minerals include
pyrite, chalcopyrite,
gersdorffite, pentlandite,
magnetite and supergene
polydymite
(AM 64.465).
At the Vozhminskii Massif, Northern Karelia, Murmansk Oblast, Russia, tučekite occurs in
serpentinites. Associated minerals include
vozhminite, heazlewoodite,
nickeline, maucherite,
melonite, cobaltite,
gersdorffite, magnetite,
geversite, copper and
silver
(HOM).
At the Vaal Reefs Mine, Klerksdorp, Dr Kenneth Kaunda District Municipality, North West, South Africa, tučekite
occurs in heavy mineral concentrates. Associated minerals include gold,
dyscrasite, michenerite,
geversite, tetrahedrite,
stibnite and sudburyite
(HOM).
At the Witwatersrand goldfield, South Africa, tučekite was found in
gold-bearing conglomerates from
at least two localities, in concentrates as rare free grains or intergrown with gold
or with gersdorffite
(AM 64.465).
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