Bellidoite

bellidoite

umangite

berzelianite

djurleite

Images

Formula: Cu2Se
Selenide, tetragonal paramorph of isometric berzelianite, selenium-bearing mineral
Specific gravity: 7.01 calculated
Hardness: 1½ to 2
Colour: Creamy white with a slight pinkish yellow tint
Environments

Hydrothermal environments

Bellidoite is formed at medium to low temperatures with other hydrothermal selenides and sulphides. Associated minerals include berzelianite, umangite, eskebornite, klockmannite, djurleite, digenite, siderite and calcite (HOM).

Localities

At the type locality, the Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic, bellidoite occurs as anhedral grains 0.1 - 0.3 mm in diameter in calcite, associated with berzelianite, umangite, eskebornite, eucairite, digenite, siderite, klockmannite and djurleite (AM 60.736, Mindat).

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