Database of luminescent Minerals


Chemical Formula: KAlSi3O8

Familly: Silicates

Status: IMA-GP

Crystal System: Triclinic

Mineral for Display: No

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


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Green Weak
Mid waves (320 nm):      Blue Weak
Short Waves (254 nm):      Red Medium
Other colors MW:     
Violet red ,
Other colors SW:          
Bluish White , Violet red ,

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

No Data


Green colored amazonite from Zinkgruvan Mines, Zinkgruvan, Askersund, Närke, Sweden, develop and enhance her green color in sunlight. Newly collected they are grey or only slightly green.

Main Activator(s) and spectrum:

Most Common Activator: Fe3+

Other activators:            Eu2+ , Ce3+ , Eu3+ ,

Peaks in the spectrum (nm):

Ce3+: broad band peaking at 335nm
Eu3+: broad band peaking at 402
Eu2+: 395nm
Fe3+ repl. Al3+ or Si4+: band peaking at 700nm
Pb+ repl. K+: 900nm

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


  To the spectrum gallery (1 spectra in the gallery)

Comments on activators and spectra:

Red fluorescence due to trivalent iron Fe3+.
Blue fluorescence due to Ce3+ and Eu3+ (Gaft)


Cathodoluminescence: 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.
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