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Formula: Pb2(UO2)(PO4)2
Normal phosphate, forms a series with hallimondite
Specific gravity: 5.37
Hardness: 2½ to 3
Streak: White
Colour: Pale citron yellow
Solubility: Soluble in acids
Strongly RADIOACTIVE
Environments
Sedimentary environments
Hydrothermal environments
Parsonite occurs as a secondary mineral in the oxidised
zone of some hydrothermal uranium deposits
(HOM).
Localities
At Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France, parsonite occurs with
pyromorphite,
torbernite and autunite
(HOM).
At Wölsendorf, Schwarzach bei Nabburg, Schwandorf District, Upper Palatinate, Bavaria, Germany, parsonite occurs
with uranocircite
(Dana).
In the Huachuca Mountains, Cochise County, Arizona, USA, parsonite occurs as crusts on
quartz
(Dana).
At the Ruggles Mine, Grafton, Grafton county, New Hampshire, USA, parsonite occurs with
autunite and
phosphuranylite
(Dana).
At the type locality, the Shinkolobwe mine, Shinkolobwe, Kambove District, Haut-Katanga, DR Congo, parsonite occurs
with torbernite,
kasolite and dewindtite
(Dana).
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