Formula
(repeating unit) Ca(UO2)2[HSiO4]2·5H2O Space group P21 | Strunz classification 9.AK.15 Crystal system Monoclinic crystal system | |
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Category Uranyl neso- and polysilicates Crystal class Sphenoidal (2)
(same H-M symbol) Unit cell a = 15.85 Å, b = 6.98 Å
c = 6.64 Å; β = 97.45°; Z = 2 | ||
Uranophane Ca(UO2)2(SiO3OH)2·5H2O is a rare calcium uranium silicate hydrate mineral that forms from the oxidation of uranium bearing minerals. Uranophane is also known as uranotile. It has a yellow color and is radioactive.
References
Uranophane Wikipedia(Text) CC BY-SA