Database of luminescent minerals 

CRYOLITE

Chemical formula: Na₃AlF₆

Family: Halides

Status: IMA-GP

Display mineral: NON

Luminescence:

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Phosphorescence (in the common sense of the term) observable with the naked eye:

Thermoluminescence: OUI

Comments:

Weak thermoluminescence

Activator(s) and spectrum:

Activator(s): Eu²⁺,

Peaks in the spectrum (nm):

Eu²⁺ repl. Na⁺ : 460nm  

No spectrum yet

Best localities for fluorescence (*):

• Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Firth, Arsuk, Sermersooq, Kitaa Province (West Greenland), Greenland (red-orange SW, violet red LW;
• Shomiokitovoe pegmatite, Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia (SW whitish-blue with gaidonnayite SW strong green);
• Aris Quarries, Aris, Windhoek District, Khomas Region, Namibia (blue-white SW);
• Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada;

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic reference for luminescence:

• The Henkel Glossary of Fluorescent Minerals, Dr. Gerhard Henkel, Published by the FMS, 1989 ,
• Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
• The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
• Mt St Hilaire Website: http://www.saint-hilaire.ca ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

  http://www.mindat.org/show.php?name=Cryolite

  http://webmineral.com/data/Cryolite.shtml

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