Chemical Formula: (Ca0,5,Sr0,5,Na,K)4[Al8 Si16O48] 22H2O
Mineral for Display: No
|Long Waves (365nm): || Yellow ||Short Waves (254 nm): || Yellow |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Ilimaussaq complex, Kvanefjeld, Narsaq, Kitaa (West Greenland) Province, Greenland;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
- The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
Mineralogical Reference on internet:
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