URANOPHANE
Chemical Formula: Ca(UO2)2[SiO3(OH)]2 5H2O
Familly: Silicates
Status: IMA-GP
Crystal System: Monoclinic
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Green | Medium | | Short Waves (254 nm): | Green | Medium | | | | | |
Daylight Picture
URANOPHANE ,
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
Short Waves Pictures (254nm)
URANOPHANE , 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
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Comments:
Synonyme: uranotile;
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
Peaks in the spectrum (nm):
499nm, 513nm, 535nm, 560nm, 586nm, 597nm, 609nm
Col. G. Barmarin; Spectre: G. Barmarin
...
To the spectrum gallery (1 spectra in the gallery)
Comments on activators and spectra:
Spectra Gorobets: 19400 cm-1, 18670 cm-1, 17960 cm-1;
Best Locality for luminescence(*):
- Grants District, New Mexico, USA;
- Mina Eureka termino de Castell-estaó, municipio de La Torre de Cabdella, Lérida province, Spain;
- Clara Mine, Oberwolfach, Ortenaukreis, Freiburg, Baden-Württemberg, Germany;
- Menzenschwand, St Blasien, Baden-Württemberg, Germany;
(*)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 ,
- Uranium minerals Website: http://www.uraniumminerals.com ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Uranophane
http://webmineral.com/data/Uranophane.shtml
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