Chemical Formula: (Na,X)2(Ti+4,Fe+3)4(Si7 Al)O22(OH)4 H2O
Crystal System: Triclinic
Mineral for Display: No
|Long Waves (365nm): || Yellowish Green ||Weak||Short Waves (254 nm): || Yellowish Green ||Weak|
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia ;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
Luminescence Reference on internet:
Mineralogical Reference on internet:
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