Chemical Formula: Mn3+2Al2(SiO4)3
Crystal System: Isometric
Mineral for Display: No
|Long Waves (365nm): || Orange Red |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Main Activator(s) and spectrum:
Most Common Activator: Cr3+
Other activators: Mn4+ ,
Peaks in the spectrum (nm):
Cr3+ : lines at 606, 627, 694, 707nm
Mn4+ ? : band around 650nm
Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.
Comments on activators and spectra:
Best Locality for luminescence(*):
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- 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:
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