General Information:
Chemical Formula:
Cu[(UO2)(SiO2OH)]2·6(H2O)
Composition:
(Molecular Weight = 861.84 gm)
Uranium 55.24 % U
Copper 7.37 % Cu
Silicon 6.52 % Si
Hydrogen 1.17 % H
Oxygen 29.70 % O
Empirical Formula:
Cu(UO2)2(SiO4)2(H3O)2·2(H2O)
Name Origin:
Named after its compostion and affinity with Sklodowskite
Physical Properties:
Cleavage:
[100] Good
Color:
grass green, green yellow, or light green.
Density:
3.8
Diaphaniety:
Transparent to Translucent
Habits:
Acicular - Occurs as needle-like crystals., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite),
Hardness:
4 - Fluorite
Luster:
Vitreous - Silky
Streak:
greenish yellow
More details...