Chemical Formula: (NH4)2(UO2)2(PO4)2 6H2O
Familly: Phosphates, Arseniates, Vanadates
Mineral for Display: No
|Long Waves (365nm): || Green ||Medium|
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
No spectrum for the moment
Best Locality for luminescence(*):
- found in a uranium-coal deposit in the former Soviet Union;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- The Henkel Glossary of Fluorescent Minerals, Dr. Gerhard Henkel, Published by the FMS, 1989 ,
- Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
Mineralogical Reference on internet:
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