ANDERSONITE
Chemical formula: Na2Ca(UO2)(CO3)3 6H2O
Family: Carbonates
Status: IMA-GP
Crystal system : Rhomboedric
Display mineral: NON
Luminescence:
| | | |
Longwave UV (365nm) colors: | Bluish Green ,
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| Intensity LW:Strong
| Frequency LW:Allways (Intrinsic)
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Midwave UV (320nm) colors: | Bluish Green ,
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| | |
Shortwave UV (254nm) colors: | Bluish Green ,
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| Intensity SW:Strong
| Frequency SW:Allways (Intrinsic)
|
Daylight picture
ANDERSONITE ,
Mina Eureka termino de Castell-estaó,
municipio de La Torre de Cabdella,
Lérida province, Spain
Photo and Copyright: Joan Abella i Creus, Spain
Used with permission of the author
Longwave (365nm) picture
ANDERSONITE , UVSW
Mina Eureka termino de Castell-estaó,
municipio de La Torre de Cabdella,
Lérida province, Spain
Photo and Copyright: Joan Abella i Creus, Spain
Used with permission of the author
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Go to the galery (6 pictures)
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Phosphorescence (in the common sense of the term) observable with the naked eye:
No phosphorescence visible to the naked eye under any type of UV
Comments:
A particular blue green fluorescence color quite different of the color of common uranium minerals.
Activator(s) and spectrum:
Activator(s): (UO2)2+ (ion Uranyle) intrinsèque ,
Peaks in the spectrum (nm):
(UO2)2+ : (452),(467), 472, 483,504, 526, 550, 577, 607, 640, (676), (711)
Col. G. Barmarin; Spectre: G. Barmarin
Spectrum of ANDERSONITE in CSV
You can download the CSV file by clicking here: fichier csv
Comments on spectrum and activators:
Lifetime: 150μs @500nm;
Best localities for fluorescence (*):
- Monti Cristo mine near Moab, Utah, USA;
- Atomic King n°2 mine, near Moab, Utah, USA;
- Mina Eureka termino de Castell-estaó, municipio de La Torre de Cabdella, Lérida province, Spain;
- Ambrosia Lake area, McKinley County, New Mexico, USA;
(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence
Bibliographic 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 ,
- Minéraux uranifères, Minéraux et fossiles Hors-série n°28, décembre 2009, ISBN 978-2-917198-0 ,
Reference for luminescence on the Internet:
Mineralogical reference on the Internet:
http://www.mindat.org/show.php?name=Andersonite
http://webmineral.com/data/Andersonite.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.
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