Database of luminescent Minerals


SODALITE


Chemical Formula: Na8Al6Si6O24Cl2

Familly: Silicates

Status: IMA-GP

Crystal System: Isometric

Mineral for Display: Yes

Associated names (luminescent varieties, discredited names, synonymes etc.):  hackmanite

Luminescence:


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Orange Very StrongOften
Short Waves (254 nm):      Yellowish White Medium
Other colors LW:                              
Yellowish White , Orangy yellow , Red , Violet red , Violet Pink , Pink ,
Other colors SW:                         
Orange , Violet red , Violet Pink , Salmon pink , Green ,

Daylight Picture


Sodalite
Ilimaussaq Complex, Greenland;
Courtesy MinerShop.com

Long Waves Picture (365nm)


Sodalite, UV LW orange;
Ilimaussaq Complex, Greenland;
Courtesy MinerShop.com

Short Waves Pictures (254nm)


Sodalite, UV SW orange red ;
Ilimaussaq Complex, Greenland;
Courtesy MinerShop.com

 

Galerie de photos:

            ...

     To the gallery (7 images in the gallery)


Phosphorescence (in the common meaning of the term) seen by naked eye:


UV Type Color Intensity Observation Frequency
Long Wave (365nm): Bluish White StrongOften
Short Waves (254 nm): Bluish White Very StrongOften
 

Ténébrescence: OUI




Sodalite, left before and right after exposition to SW (tenebrescence);
Ilimaussaq Complex, Greenland;
Courtesy MinerShop.com

Thermoluminescence: Yes


Comments:


HACKMANITE : strongly tenebrescent variety of sodalite
From Mont Saint-Hillaire, certain sodalite fluoresces yellow. The response is seen under SW and MW, weaker under LW. Build-up is slow but becomes bright.


Main Activator(s) and spectrum:


Most Common Activator: S2-

Other activators:            (UO2)2+ (Uranyl ion) as impurities , Fe3+ , Mn2+ ,

Peaks in the spectrum (nm):

S2- : 587, 608, 628, 653, 677, 707, 732nm

Fe3+? repl. Al3+ : 687-720nm 

(UO2)2+ : 495, 515, 537nm

Mn2+ repl. Na+ : 650nm


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

      ...

  To the spectrum gallery (2 spectra in the gallery)


Comments on activators and spectra:


Some time Green Luminescence due to uranium impurities;

 

Cathodoluminescence: intensive greenish-blue or yellow-green or orange.


Best Locality for luminescence(*):


(*)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:


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

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

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Note: While all due attention has been paid to the implementation of the database, it may contain errors and/or accidental omissions. By nature, the database will always be incomplete because science always evolves according to new analysis.
A request providing no result means only that no such reference exists in the database, but it does not mean that what you are looking for does not exist, just not to our knowledge. If you think you have found an error or omission, please let us know via the contact page being sure to cite the source of information.

 


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