Chemical Formula: Ca[Al2Si7O18] 7H2O
Status: IMA-A (GP)
Mineral for Display: No
|Long Waves (365nm): || Yellowish White ||Weak||Short Waves (254 nm): || Yellowish White ||Weak|
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
(*)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 ,
Mineralogical Reference on internet:
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