OLIGOCLASE
Chemical Formula: (Na,Ca)(Si,Al)408
Status: IMA-GP
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Yellow | | | Short Waves (254 nm): | Red | Weak | | | | | |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Thermoluminescence: Yes
Main Activator(s) and spectrum:
Most Common Activator: Fe3+
Other activators: Pb2+ , Mn2+ ,
Peaks in the spectrum (nm):
Pb2+ : broad band peaking at 296nm
Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.
...
To the spectrum gallery (2 spectra in the gallery)
Best Locality for luminescence(*):
- Franklin, Franklin Mining District, Sussex Co., New Jersey, USA (yellow LW);
- Mitchell Co., North Carolina, USA (dim brownish-white LW);
(*)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 ,
- 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=Oligoclase
http://webmineral.com/data/Oligoclase.shtml
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