Database of luminescent Minerals


Chemical Formula: PbMoO4

Familly: Tungstates, Molybdates

Status: IMA-GP

Mineral for Display: No

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


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Red Very weak
Other colors LW:          
Orange , Tawn ,
Other colors SW:     
Green ,

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


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

No Data


Wulfenite from the Finch Mine (Gila County, Arizona, USA) is reported to fluoresce green due to a thin coating of hyalite activated by uranium impurities.

Chillagite: wulfenite containing tungsten.

Main Activator(s) and spectrum:

Most Common Activator: MoO42-

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

Peaks in the spectrum (nm):

UO22+ : Broad band peaking at 550 - 660 nm (Gorobets)

(?) : broad band at 669nm (sample from Chile, exc 532nm)

(?) : broad band at 718nm (sample from Mexico, exc 532nm)

Nd3+ : peaks at 804, 873, 890nm (exc. 780nm)

No spectrum for the moment

Comments on activators and spectra:

Wulfenite was studied by steady-state luminescence spectroscopy and luminescence of (MoO4)3- metal-oxygen complexes was found (Gorobets and Rogojine 2001).

Excitation by CW laser with 532 and 780 nm revealed narrow luminescence lines possibly belonging to Nd3+ and several broad luminescence bands of unknown origin. (Gaft)

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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