Chemical Formula: Na2Sr3Zr(CO3)6 3H2O
Crystal System: Triclinic
Mineral for Display: No
|Long Waves (365nm): || Pink ||Strong||Mid waves (320 nm): || Yellowish White ||Short Waves (254 nm): || Yellow |
|Other colors LW: || |
White , Pale Yellow , Greenish , Brownish Green , Yellowish ,
|Other colors MW: || |
|Other colors SW: || |
White , Pale Yellow , Yellowish Green , Green , Greenish ,
Phosphorescence (in the common meaning of the term) seen by naked eye:
Weloganite from Francon is triboluminescent with a blue flash when scratched (Bill Lechneron Mindat forum)
The white fluorescence seems to be associated with another mineral covering weloganite.
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Francon Quarry, Montreal, Jacques Cartier County, Québec, 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 ,
- 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 ,
Mineralogical Reference on internet:
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