ANDERSONITE
Chemical Formula: Na2Ca(UO2)(CO3)3 6H2O
Familly: Carbonates
Status: IMA-GP
Crystal System: Rhomboedric
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Bluish Green | Strong | Allways (Intrinsic) | Mid waves (320 nm): | Bluish Green | | | Short Waves (254 nm): | Bluish Green | Strong | 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
Long Waves Picture (365nm)
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
Galerie de photos:
...
To the gallery (3 images in the gallery)
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Comments:
A particular blue green fluorescence color quite different of the color of common uranium minerals.
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
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
Comments on activators and spectra:
Lifetime: 150μs @500nm;
Best Locality for luminescence(*):
- 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;
(*)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 ,
- Minéraux uranifères, Minéraux et fossiles Hors-série n°28, décembre 2009, ISBN 978-2-917198-0 ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Andersonite
http://webmineral.com/data/Andersonite.shtml
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