Database of luminescent Minerals


AFGHANITE


Chemical Formula: (Na,Ca,K)8 (Si,Al)12O24 (SO4,Cl,CO3)3 H2O

Familly: Silicates

Status: IMA-A

Crystal System: Hexagonal

Mineral for Display: No


Luminescence:


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Yellow StrongRarely
Short Waves (254 nm):      Orange MediumRarely
Other colors LW:     
Yellowish White ,
 

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


No Data

Comments:


Blue afghanite external crystal with a white core: only the inner part does fluoresce;


Main Activator(s) and spectrum:


Most Common Activator: S2-

Peaks in the spectrum (nm):

S2- : 564, 585, 604, 625, 648, 672, 703nm


Col. G. Barmarin; Spectre: G. Barmarin


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=Afghanite

  http://webmineral.com/data/Afghanite.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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