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Formula: Ca(UO2)4(AsO4)2(OH)4.6H2O
Hydrated arsenate containing hydroxyl
Specific gravity: 4.25
Hardness: 2½
Streak: Light yellow
Colour: Orange
RADIOACTIVE
Environments
Arsenuranylite is found in the oxidation zone of arsenic-bearing
sulphide deposits, associated with metazeunerite,
uranospinite and nováčekite;
it is replaced by schoepite and
paraschoepite
(AM 44.208).
Localities
At the type locality, the Cherkasar U Deposit, Pap, Chatkal-Kuraminskii Range, Namangan Region, Uzbekistan,
arsenuranylite occurs in the oxidised zone of the uranium deposit containing
arsenic-bearing sulphides. Associated minerals include
paraschoepite, schoepite,
metazeunerite, nováčekite and
uranospinite
(HOM).
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