Chemical Formula: (SiO2)46(CO2,N2)6(CH4,N2)2
Mineral for Display: No
|Long Waves (365nm): || White ||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(*):
- Mount Hamilton, Santa Clara county, California, USA;
- Racalmuto, Agrigento Province, Sicily, Italy;
- Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy;
(*)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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