General Information:
Chemical Formula:
(UO2)2SiO4·2(H2O)
Composition:
(Molecular Weight = 668.17 gm)
Uranium 71.25 % U
Silicon 4.20 % Si
Hydrogen 0.60 % H
Oxygen 23.95 % O
Empirical Formula:
UO22(SiO4)·2(H2O)
Environment:
Mixed with curite.
Locality:
Kasolo, Congo.
Physical Properties:
Cleavage:
[001] Perfect, [111] Good
Color:
yellow, canary yellow, yellowish green, or yellow.
Density:
4.627
Diaphaniety:
Transparent to translucent
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Striated - Parallel lines on crystal surface or cleavage face., Pyramidal - Crystals are shaped like pyramids.
Hardness:
3-4 - Calcite-Fluorite
Luminescence:
Fluorescent and radioactive.
Luster:
Vitreous (Glassy)
Streak:
yellow
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