ARCTITE
Chemical Formula: Na5Ca7Ba(PO4)6F3
Familly: Phosphates, Arseniates, Vanadates
Status: IMA-A
Crystal System: Rhomboedric
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Blue | | | Short Waves (254 nm): | Blue | | | | | | |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Main Activator(s) and spectrum:
Most Common Activator: Eu2+
Peaks in the spectrum (nm):
Eu2+ repl. Ca2+ : 460nm
Sm3+ repl. Ca2+ : 600, 650nm
No spectrum for the moment
Comments on activators and spectra:
Bright blue luminescence typical of Eu2+ activator;
Best Locality for luminescence(*):
- Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia;
- Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Arctite
http://webmineral.com/data/Arctite.shtml
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