Database of luminescent Minerals


Chemical Formula: KCa7(Ti,Zr)2Li3Si12O36(OH,F)2

Familly: Silicates

Status: IMA-A

Crystal System: Monoclinic

Mineral for Display: No

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


UV Type Main color Intensity Observation Frequency
Short Waves (254 nm):      Bluish White StrongAlways

Daylight Picture

BARATOVITE, Tadzhikistan, Russia;
Col. G.Barmarin; Photo: G. Barmarin

Short Waves Pictures (254nm)

BARATOVITE, Tadzhikistan, Russia; UVSW;
Col. G.Barmarin; Photo: G. Barmarin


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

No Data


Note: Some mineralogists consider baratovite to be OH-dominant, which would make katayamalite the same species, with the name baratovite having priority (see See KATAYAMALITE

Main Activator(s) and spectrum:

Most Common Activator: Ce3+

Other activators:            Sm3+ , Dy3+ ,

Peaks in the spectrum (nm):

Ce3+ repl. Ca2+ : 390

Sm3+ repl. Ca2+ : 600, 645 

Dy3+ repl. Ca2+ : 490, 580

450nm, 469nm, 506nm, 552nm

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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