Database of luminescent Minerals


Chemical Formula: (UO2)6(SO4)O2(OH)6 14H2O

Familly: Sulfates

Status: IMA-GP

Crystal System: Monoclinic

Mineral for Display: No


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Green StrongAlways
Mid waves (320 nm):      Green
Short Waves (254 nm):      Green StrongAlways

Daylight Picture

Uranopilite, Lodve, France,
Photo: G. Barmarin
Collection: G. Barmarin

Long Waves Picture (365nm)

Uranopilite, Lodve, France,
under UV LW
Photo et Collection: G. Barmarin

Short Waves Pictures (254nm)

URANOPILITE, Lodève, France

Col. G.Barmarin; Photo: G. Barmarin


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

No Data


May dehydrate to Meta-uranopilite.

beta-uranopilite = meta-uranopilite

Main Activator(s) and spectrum:

Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic

Peaks in the spectrum (nm):

(UO2)2+ : (514nm), 528nm, 550nm, (576nm), (604nm), (642nm)

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:

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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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