Chemical Formula: Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4 (SO4)2F2Cl
Crystal System: Hexagonal
Mineral for Display: No
|Long Waves (365nm): || Green ||Weak|
Phosphorescence (in the common meaning of the term) seen by naked eye:
This is a sodium barium RE carbonate sulfate fluorochloride. It has been found as small greenish grains in cracks in feldspar at Alluaiv, Lovozero massif, Kola Peninsula, Russia. Fluoresces weak yellow green under ultraviolet light. Band not stated.
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Alluaiv, Lovozero massif, Kola Peninsula, 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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