Joliotite

joliotite

billietite

rutherfordine

studtite

Images

Formula: (UO2)(CO3).2H2O
Hydrated normal carbonate
Specific gravity: 4.04
Hardness: 1 to 2
Streak: Yellow
Colour: Citron-yellow
Luminescence: Pale green to pale yellow fluorescence in short wave and long wave UV
RADIOACTIVE
Environments

Sedimentary environments
Hydrothermal environments

Joliotite occurs as crusts on limonite and baryte at uranium deposits (Webmin).

Localities

At the type locality, Krunkelbach Valley Uranium deposit, Menzenschwand, St Blasien, Waldshut, Freiburg Region, Baden-Württemberg, Germany, joliotite is a rare secondary mineral in the oxidised portions of the deposit. Associated minerals include billietite, rutherfordine, studtite, baryte and limonite (HOM, Mindat).

Back to Minerals