Database of luminescent Minerals


Chemical Formula: (UO2)3(Se+4O3)2(OH)2 5H2O

Status: IMA-A

Crystal System: Orthorhombic

Mineral for Display: No


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

Daylight Picture

Haynesite, Repete Mine, UT, USA,
Photo: G. Barmarin
Collection: G. Barmarin

Long Waves Picture (365nm)

Haynesite, Repete Mine, UT, USA,
under UV LW. Photo and Collection: G. Barmarin


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

No phosphorescence seen by naked eye whatever the type of UV

Main Activator(s) and spectrum:

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

Peaks in the spectrum (nm):

(UO2)2+ : 522, 541, 563, 591nm

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:

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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