SCHOEPITE
DOUBTFULL FLUORESCENCE but cited by some authors
Chemical Formula: [(UO2)8O2(OH)12](H2O)12
Familly: Oxides and hydroxides
Status: IMA-GP
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.):
epi-ianthinite,
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Green | Weak | | Short Waves (254 nm): | Green | Weak | | | | | |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Comments:
Not luminescent at room temperature for Gorobets but most other sources give it fluorescent SW and LW pale green. Spectra in Liquid Nitrogen given by Gorobets (17500 cm-1, 16800 cm-1 and 16100 cm-1)
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
No spectrum for the moment
Best Locality for luminescence(*):
- Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre);
- Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Central area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre);
- San Rafael Swell, eastern Utah, 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 ,
- Introduction to radioactive minerals, Robert Lauf, Schiffer Publishing, 2008, ISBN 978-0-7643-2912-8 ,
- Handbook of mineralogy, John W. Anthony, Richard A. Bideaux, Kenneth W. Bladh, and Monte C. Nichols, and published by Mineral Da ,
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Schoepite
http://webmineral.com/data/Schoepite.shtml
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