Chemical Formula: Na8[(UO2)(CO3)3](SO4)2·3H2O
Crystal System: Hexagonal
Mineral for Display: No
|Long Waves (365nm): || Bluish Green ||Very Strong||Short Waves (254 nm): || Bluish Green ||Very Strong|
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Bright greenish white fluorescence under both long-wave and short-wave UV
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
No spectrum for the moment
Best Locality for luminescence(*):
- Geschieber vein, Svornost Mine, Jáchymov, Jáchymov District, Krušné Hory Mts, Karlovy Vary Region, Czech Republic
(*)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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