Chemical Formula: Na(UO2)(SO4)(OH)·3.5H2O
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
Feynmanite fluoresces bright greenish white under a 405 nm laser.
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
No spectrum for the moment
Best Locality for luminescence(*):
- Markey Mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA;
- Blue Lizard Mine, Red Canyon, White Canyon District, San Juan Co., 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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