Database of luminescent Minerals


Chemical Formula:See MEIONITE / (Group: MEIONITE, MARIALITE )

Familly: Silicates


Crystal System: Tetragonal

Mineral for Display: No


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Violet red
Mid waves (320 nm):      Orange Red
Short Waves (254 nm):      Red
Other colors LW:                                        
Yellow , Orangy yellow , Orange , Dark Orange /Tawn , Orange Red , Red , Blue , Bluish ,
Other colors MW:                    
Yellowish White , Orangy yellow , Blue , Bluish ,
Other colors SW:                              
Bluish White , Yellowish White , Orangy yellow , Orange Red , Violet red , Blue ,

Daylight Picture

Photo and Copyright: James Hamblen
Site of the author
Used with permission of the author

Short Waves Pictures (254nm)

Photo and Copyright: James Hamblen
Site of the author
Used with permission of the author


Galerie de photos:


     To the gallery (13 images in the gallery)

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

No Data

Ténébrescence: OUI

Main Activator(s) and spectrum:

Most Common Activator: Fe3+

Other activators:            Pb2+ , S2- , Eu2+ , Mn2+ , O-2 ,

Peaks in the spectrum (nm):

Fe3+? : band at 710 - 720nm

Mn2+ : broad band at 630 - 690nm

Col. G. Barmarin; Spectre: G. Barmarin

Comments on activators and spectra:

Red fluorescence: Fe3+? (band at 710 - 720nm)  Mn2+ (broad band at 630 - 690nm)


Blue fluorescence: Pb2+ (Langban, Sweden) 


A recent find of colorless scapolite in Badakhshan ( Afghanistan) turns to a blue color when exposed to UVSW.


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:

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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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