Database of luminescent Minerals
SEPIOLITE
Chemical Formula: Mg4Si6O15(OH)2 6H2O
Familly: Silicates
Status: IMA-GP
Crystal System: Orthorhombic
Mineral for Display: No
Luminescence:
| UV Type | Main color | Intensity | Observation Frequency |
|---|---|---|---|
| Long Waves (365nm): | Yellowish White | Mid waves (320 nm): | Yellowish White | Short Waves (254 nm): | Yellowish White |
| Other colors LW: | Bluish White , Violet Pink , | ||
| Other colors MW: | Bluish White , Violet Pink , | ||
| Other colors SW: | Bluish White , Violet Pink , | ||
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Comments:
The pink purple fluorescence of samples from Quincy-sur-Cher is probably due to the absorption by the associated pink opal of the white-bluish fluorescence of sepiolite.
Main Activator(s) and spectrum:
No data
Best Locality for luminescence(*):
- Killik, Mihaliççik, Eskişehir Province, Central Anatolia Region, Turkey;
- Quincy-sur-Cher, Bourges, Cher, Centre-Val de Loire, France;
- Madrid, Spain;
(*)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 ,
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Sepiolite
http://webmineral.com/data/Sepiolite.shtml
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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.
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.