Database of luminescent Minerals
UMBITE
Chemical Formula: K2ZrSi3O9 H2O
Familly: Silicates
Status: IMA-A
Mineral for Display: No
Luminescence:
| UV Type | Main color | Intensity | Observation Frequency |
|---|---|---|---|
| Long Waves (365nm): | Yellowish White | ||
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Comments:
Bright withish green luminescence at liquid nitrogen temperature
Main Activator(s) and spectrum:
Most Common Activator: n[TiO6] cluster
Other activators: TiO6 ,
Peaks in the spectrum (nm):
n[TiO6] : very large band with max at 535 nm TiO6 : shoulder on this band at 450 nm (Gorobets)
Best Locality for luminescence(*):
- Khibina Massif, Kola peninsula, Russia;
(*)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 ,
- Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Umbite
http://webmineral.com/data/Umbite.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.