Chemical Formula: (K,Na)2Ca28Zn5Al4Si40O112(OH)16
Mineral for Display: No
|Long Waves (365nm): || Blue ||Mid waves (320 nm): || Blue ||Weak||Short Waves (254 nm): || Blue ||Weak|
|Other colors LW: || |
Bluish White ,
|Other colors MW: || |
Bluish White , sky-blue ,
|Other colors SW: || |
Bluish White , Violet Pink , Violet , Violet blue , Purple pink ,
Phosphorescence (in the common meaning of the term) seen by naked eye:
Possible confusion with MARGAROSANITE wich is redder under MW.
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, 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 ,
- The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
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