HANKSITE
Chemical Formula: KNa22(SO4)9(CO3)2Cl
Familly: Sulfates
Status: IMA-GP
Crystal System: Hexagonal
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Yellowish White | | | Short Waves (254 nm): | Yellowish White | | | | | | |
Daylight Picture

HANKSITE;
Photo and Copyright: James Hamblen
Site of the author
Used with permission of the author
Short Waves Pictures (254nm)

HANKSITE;
UVSW
Photo and Copyright: James Hamblen
Site of the author
Used with permission of the author
Phosphorescence (in the common meaning of the term) seen by naked eye:
UV Type |
Color |
Intensity |
Observation Frequency |
Long Wave (365nm): | Yellowish White | | |
Short Waves (254 nm): | Yellowish White | Very Strong | |
Main Activator(s) and spectrum:
Most Common Activator:
Peaks in the spectrum (nm):
490, 517, 553, 600, 650, 710nm

Hanksite, California, USA; Excitation: laser 405nm. Col. G. Barmarin; Spectre: G. Barmarin
Comments on activators and spectra:
The luminescence of Hanksite was noticed by Kunz and Baskerville (1903) and has been studied by Melhase (1939).
Best Locality for luminescence(*):
- Searles Lake, San Bernardino Co., 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 ,
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Hanksite
http://webmineral.com/data/Hanksite.shtml
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
Note: 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.