Chemical Formula: (Ca0,5,Na,K)6[Al6Si30O72) 20H2O
Crystal System: Monoclinic
Mineral for Display: No
|Short Waves (254 nm): || Green ||Strong|
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Mont St Hilaire, Quebec, Canada;
(*)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 ,
- The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
Mineralogical Reference on internet:
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