ACTINOLITE
Chemical Formula: Ca2(Mg,Fe+2)5Si8O22(OH)2
Familly: Silicates
Status: IMA-A (GP)
Crystal System: Monoclinic
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.):
byssolite,
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Short Waves (254 nm): | Orangy yellow | | | | | | |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Comments:
Some samples exhibit an infrared luminescence (see: Infrared luminescence of minerals, Geological Survey Bulletin 1052 C )
Main Activator(s) and spectrum:
Most Common Activator: Mn2+
Other activators: Cr3+ ,
Peaks in the spectrum (nm):
Mn2+I repl. Ca2+ : 580nm
Cr3+I repl. Mg2+? : 690-698nm
No spectrum for the moment
Best Locality for luminescence(*):
- Urals Mt, Russia;
- Johns-Manville mine, Quebec, Canada (Byssolite fluo dim orange-brown LW & SW);
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Actinolite
http://webmineral.com/data/Actinolite.shtml
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