Chemical Formula: Mn5+2Al (Si3Al)O10(OH)8
Mineral for Display: No
|Long Waves (365nm): || Red ||Weak|
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Most Common Activator: Cr3+
Peaks in the spectrum (nm):
Cr3+ "R-Lines" replacing AlVI3+ : 677, 684nm (Gorobets)
No spectrum for the moment
Best Locality for luminescence(*):
- Saranovskoye chromium deposit , North Urals, Russia;
(*)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 ,
Mineralogical Reference on internet:
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