Bergenite

bergenite

uranocircite

torbernite

renardite

Images

Formula: Ca2Ba4(UO2)9O6(PO4)6.16H2O
Hydrated phosphate, phosphuranylite group, barium-bearing mineral
Specific gravity: 4.82 calculated
Streak: Yellow-white
Colour: Yellow
RADIOACTIVE
Environments

Hydrothermal environments

Localities

At the type locality, the Streuberg Quarry, Bergen, Vogtlandkreis, Saxony, Germany, bergenite was found as a secondary mineral on a dump, associated with much uranocircite, some torbernite, renardite, autunite, dewindtite, barium-bearing uranophane and unidentified secondary uranium minerals. (AM 45.909, HOM, Dana).

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