Chemical Formula: Na2Ca(SO4)2
Mineral for Display: No
|Long Waves (365nm): || Yellow ||Short Waves (254 nm): || Yellow |
Phosphorescence (in the common meaning of the term) seen by naked eye:
|Long Wave (365nm): ||White |
Calcite or Gypsum pseudomorph after glauberite : fluo bluish white (see calcite or gypsum)
Main Activator(s) and spectrum:
Comments on activators and spectra:
Phosphorescence of glauberite from Borax Lake, CA was first noticed by Kunz and Baskerville (1903) and later studied by H. C. Dake (1938).
Best Locality for luminescence(*):
- Boron, California, USA;
- El Tamarugal Province, Tarapacá Region, Chile ;
- Camp Verde, Camp Verde District, Yavapai Co., Arizona, USA (pseudomorph in gypsum);
(*)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 ,
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Mineralogical Reference on internet:
Search on Internet:
Search for images on 'Google Image'
Search for documents in English on Google
Search for documents in any languages on Google
Search on Wikipédia
While all due attention has been paid to the implementation of the database, it may contain errors and/or accidental omissions. By nature, the database will always be incomplete because science always evolves according to new analysis.
A request providing no result means only that no such reference exists in the database, but it does not mean that what you are looking for does not exist, just not to our knowledge. If you think you have found an error or omission, please let us know via the contact page
being sure to cite the source of information.