SCHROECKINGERITE
Chemical Formula: NaCa3(UO2)(SO4)(CO3)3F 10H2O
Familly: Carbonates
Status: IMA-GP
Crystal System: Triclinic
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.):
dakeite, neogastunite,
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Bluish Green | Strong | Always | Short Waves (254 nm): | Bluish Green | Strong | Always | | | | |
Daylight Picture
SCHROECKINGERITE,
Red Desert, Sweetwater Co., Wyoming., USA
Photo and Copyright: Christopher J. Stefano, Michigan, USA
Used with permission of the author
Long Waves Picture (365nm)
SCHROECKINGERITE UVLW,
Red Desert, Sweetwater Co., Wyoming., USA
Photo and Copyright: Christopher J. Stefano, Michigan, USA
Used with permission of the author
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Comments:
Old name: Dakeite;
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
Peaks in the spectrum (nm):
465nm, 483nm, 504nm, 526nm, 550nm, 577nm, 608nm, 641nm, 676nm, 713nm
SCHROECKINGERITE, Excitation: laser 405nm. Col. G. Barmarin; Spectre: G. Barmarin
Comments on activators and spectra:
Lifetime: 125μs @505nm;
Best Locality for luminescence(*):
- Hillside mine, Yavapai county, Arizona, USA;
- Svornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic;
- Isolagrande Mine, Isolagrande, Murialdo, Savona Province, Liguria, Italy;
(*)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 ,
- Uranium minerals Website: http://www.uraniumminerals.com ,
- Introduction to radioactive minerals, Robert Lauf, Schiffer Publishing, 2008, ISBN 978-0-7643-2912-8 ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Schroeckingerite
http://webmineral.com/data/Schroeckingerite.shtml
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