General Information:
Chemical Formula:
Ca(UO2)2Si6O15·n(H2O), n<5
Composition:
(Molecular Weight = 1,033.68 gm)
Calcium 3.88 % Ca
Uranium 46.05 % U
Silicon 16.30 % Si
Hydrogen 0.49 % H
Oxygen 33.28 % O
Empirical Formula:
Ca(UO2)2Si6O15·2.5(H2O)
IMA Status:
Approved IMA 1959
Locality:
Haiwee Reservoir, Inyo Co. California.
Name Origin:
Dehydration product of haiweeite.
Physical Properties:
Cleavage:
[100] Distinct
Color:
greenish yellow or light yellow.
Density:
3.35
Diaphaniety:
Translucent
Hardness:
3.5 - Copper Penny
Luminescence:
Fluorescent, Short UV=dull grren, Long UV=dull grren.
Luster:
Pearly
Streak:
white
More details...