XENOTIME-(Y)
Chemical Formula: YPO4
Familly: Phosphates, Arseniates, Vanadates
Status: IMA-GP
Crystal System: Tetragonal
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Orangy yellow | | | Short Waves (254 nm): | Orangy yellow | | | | | | |
Other colors LW: | Orange , |
Other colors SW: | Orange , |
Daylight Picture
XENOTIME, daylight,
Mount Malosa, Zomba, Southern Region, Malawi
Photo & Col. © Alejandro Félix Gutiérrez with permission of the author
Short Waves Pictures (254nm)
XENOTIME, UV SW,
Mount Malosa, Zomba, Southern Region, Malawi
Photo & Col. © Alejandro Félix Gutiérrez with permission of the author
Galerie de photos:
...
To the gallery (2 images in the gallery)
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) as impurities
Peaks in the spectrum (nm):
(UO2)2+ : (511), 525, 527 nm
No spectrum for the moment
Best Locality for luminescence(*):
- Novo Horizonte, Bahia Brazil (2006, LW + weaker SW);
- Mount Malosa, Zomba, Southern Region, Malawi;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
- Luminescence Spectroscopy of Minerals and Materials, M. Gaft, R. Reisfeld, G. Panczer, Springer Editor, ISBN: 10 3-540-21918-8 ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Xenotime-(y)
http://webmineral.com/data/Xenotime-(y).shtml
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