General Information:
Chemical Formula:
U++++Mo++++++5O12(OH)10
Composition:
(Molecular Weight = 1,079.80 gm)
Uranium 22.04 % U
Molybdenum 44.43 % Mo
Hydrogen 0.93 % H
Oxygen 32.60 % O
Empirical Formula:
UMo5O12(OH)10
Environment:
U-Mo deposits.
IMA Status:
Approved IMA 1962
Locality:
Unspecified location in Russia.
Name Origin:
Named for its composition (Mo, Uranium).
Physical Properties:
Cleavage:
[100] Good
Color:
violet.
Density:
4.17 - 4.29, Average = 4.23
Habits:
Fan Shaped - Occurs as radiating crystals shaped like a fan., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Fibrous - Crystals made up of fi bers.
Hardness:
3 - Calcite
Luster:
Adamantine
Streak:
blue violet
More details...