Database of luminescent Minerals


Chemical Formula: Y2U4+6(CO3)3O12 14,5H2O

Familly: Carbonates

Status: IMA-A

Crystal System: Monoclinic

Mineral for Display: No


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

Daylight Picture

Kamotoite-(Y) de Kamoto-Est, Katanga, R.D. du Congo;
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe

Short Waves Pictures (254nm)

Kamotoite-(Y) de Kamoto-Est, Katanga, R.D. du Congo;
SW (254nm)
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe


Galerie de photos:


     To the gallery (2 images in the gallery)

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

No Data

Main Activator(s) and spectrum:

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

Peaks in the spectrum (nm):

(UO2)2+ : 519, 535nm

KAMOTOITE, Excitation: laser 405nm. Col. L. Vandenberghe; 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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