Chemical Formula: (Mn+2,Fe+2,Mg,Ca)SiO3
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.): FOWLERITE,
|Long Waves (365nm): || Red |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Most Common Activator: Mn2+
Peaks in the spectrum (nm):
Mn2+ : band peaking at 625nm (100nm half-width)
Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.
Best Locality for luminescence(*):
- Kapnik, Hungary (bright red LW, dim red SW);
- Langban, Filipstad, Varmland, Sweden (dim red LW?);
- Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA (dull red LW);
(*)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 ,
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
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