Chemical Formula: (Na2,Ca,K2)4[Al8Si40O96] 28H2O
Status: IMA-A (GP)
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.): ptilolite,
|Long Waves (365nm): || Yellowish White ||Short Waves (254 nm): || Yellowish White |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Conejo Grade summit at Thousand Oaks, California, USA;
(*)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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