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Formula: Cu4Tl2Se4
Selenide, bukovite group,
thallium-bearing mineral
Crystal System: Tetragonal
Specific gravity: 7.40 calculated
Hardness: 2
Colour: Grey-brown
Environments
Metamorphic environments
Hydrothermal environments
Bukovite occurs in selenium-bearing
calcite veins of hydrothermal origin, in metamorphic rocks
(Webmin, HOM). Associated minerals include clausthalite,
eskebornite, eucairite,
chaméanite, umangite,
berzelianite, hakite,
klockmannite, sabatierite,
crookesite, ferroselite,
cadmoselite, pyrite,
marcasite, chalcopyrite,
chalcocite, bornite,
uraninite, hematite,
goethite, calcite,
dolomite and quartz
(HOM).
Localities
At Petrovice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic, bukovite
occurs in calcite veins, associated with
umangite, eskebornite,
clausthalite, eucairite,
and other selenides
(AM57.1910).
At the type locality, the Bukov mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic,
bukovite occurs in calcite veins of hydrothermal origin with other
selenides. Associated minerals include umangite,
eskebornite, clausthalite,
eucairite and calcite
(AM 57.1910, Mindat).
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