GREENOCKITE
Chemical Formula: CdS
Familly: Sulfide
Status: IMA-GP
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: | Yellow , Orange Red , Red , |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Comments:
Difficult to see the difference of the fluorescence of sphalerite/wurtzite/hawleyite when they are mixed.
Main Activator(s) and spectrum:
No data
Best Locality for luminescence(*):
- Tsumeb Mine (Tsumcorp Mine), Tsumeb, Oshikoto Region, Namibia;
- Ecton mine, Aubudon, Pennsylvania, USA (LW,jaune/yellow);
- Ueberroth dump, Friedensville, PA, USA (orange/yellow SW+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 ,
- Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Greenockite
http://webmineral.com/data/Greenockite.shtml
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