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Formula: Al3(UO2)(PO4)3(OH)2.13H2O
Hydrated phosphate, uranyl-bearing mineral
Crystal System: Monoclinic
Specific gravity: 2.64 Measured, 2.61 calculated
Colour: Greenish yellow
Luminescence: bright green fluorescence under SW and LW
RADIOACTIVE
Environments
Localities
At the type locality, the Kobokobo pegmatite, Mwenga Territory, South Kivu, DR Congo, moreauite occurs as a
rare secondary mineral in the oxidised
uraniferous zone of the complex
granite
pegmatite. It is found as greenish yellow nodules and
books of plates flattened and sometimes elongated up to 0.2 mm, with one good cleavage. It is associated with
furongite, ranunculite and
phosphosiderite
(AM 70.1329-1335, HOM).
Moreauite from the Kobokobo pegmatite -
Image
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