Chemical Formula: (UO2)2(OH)2Cl2(H2O)4
Crystal System: Monoclinic
Mineral for Display: No
|Long Waves (365nm): || Green |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
The fluorescence is bright green-white under 405 nm ultraviolet light.
The mineral is soluble in water
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
No spectrum for the moment
Best Locality for luminescence(*):
- Blue Lizard mine, San Juan County, Utah, USA;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
Luminescence Reference on internet:
Mineralogical Reference on internet:
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