Bukovite

bukovite

umangite

eskebornite

eucairite

Images

Formula: Cu4Tl2Se4
Selenide, bukovite group, thallium-bearing mineral
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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