Database of luminescent Minerals


Chemical Formula: Na2SO4

Familly: Sulfates

Status: IMA-GP

Mineral for Display: No


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Yellowish White Strong
Short Waves (254 nm):      White Strong
Other colors MW:                    
Bluish White , Yellowish White , Blue , Greenish white ,
Other colors SW:                         
Bluish White , Yellowish White , Blue , Bluish , Greenish white ,

Daylight Picture


Photo and Copyright: Bill Barr
Used with permission of the author;

Mid Waves Pictures (330nm)


Photo and Copyright: Bill Barr
Used with permission of the author;

Short Waves Pictures (254nm)


Photo and Copyright: Bill Barr
Used with permission of the author;


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

UV Type Color Intensity Observation Frequency
Long Wave (365nm): Greenish white Strong
Short Waves (254 nm): Greenish white Strong

Main Activator(s) and spectrum:

No data

Comments on activators and spectra:

Cathodoluminescence: dark blue.


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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