Database of luminescent minerals 

ANORTHOCLASE

Chemical formula: (Na,K)AlSi₃O₈

Family: Silicates

Status: IMA-GP

Crystal system : Triclinic

Display mineral: NON

Luminescence:

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

No data

Activator(s) and spectrum:

Activator(s): Fe³⁺, Cr³⁺,  Eu²⁺,  Ce³⁺,  Eu³⁺,  

Peaks in the spectrum (nm):

Fe³⁺: broad bands peaking at 716nm (110nm half-width)
Cr³⁺(?): broad bands peaking at 785nm
Eu²⁺: broad band at 403nm (40nm half-width)
Ce³⁺: broad bands peaking at 335nm
Eu³⁺: 404nm

Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.

Spectrum Galery:

  
  Go to the galery (2 spectra)

Comments on spectrum and activators:

Also broad bands peaking at 335 (Ce3+), 404 nm (Eu3+) (Gaft)

Best localities for fluorescence (*):

• Franklin, New Jersey, USA (blue SW, De Ment 1946, weak pale yellow or weak red) ;
• Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada (cherry red SW, violet MW&LW);

(*)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 ,
• Luminescence Spectroscopy of Minerals and Materials, M. Gaft, R. Reisfeld, G. Panczer, Springer Editor, ISBN: 10 3-540-21918-8 ,
• Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,

Mineralogical reference on the Internet:

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

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

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