DOUBTFULL FLUORESCENCE but cited by some authors
Chemical Formula: Mn7Si6O15(OH)8
Crystal System: Monoclinic
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.): caryopilite, esctropite,
|Long Waves (365nm): || Green ||Strong||Short Waves (254 nm): || Green ||Strong|
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Cited by de Ment in 1947
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Franklin Mine, Franklin, Franklin mining district, Sussex Co., New Jersey, USA (specimen studied by de Ment)
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Mineralogical Reference on internet:
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