General Information:
Chemical Formula:
Ca(UO2)4(AsO4)2(OH)4·6(H2O)
Composition:
(Molecular Weight = 1,574.15 gm)
Calcium 2.55 % Ca
Uranium 60.48 % U
Arsenic 9.52 % As
Hydrogen 1.02 % H
Oxygen 26.43 % O
Empirical Formula:
Ca(UO2)4(AsO4)2(OH)4·6(H2O)
Environment:
Oxidation zone of As-containing sulfide deposits.
Locality:
Russia.
Name Origin:
Named for its relationship to phosphuranylite as the end-member.
Physical Properties:
Cleavage:
[001] Perfect
Color:
orange or yellow.
Density:
4.25
Diaphaniety:
Translucent
Habits:
Scaly - Morphology like fish scales., ,
Hardness:
2.5 - Finger Nail
Streak:
light yellow
More details...