Database of luminescent Minerals


Chemical Formula: Na2Ti2Si2O9

Familly: Silicates

Status: IMA-GP

Crystal System: Orthorhombic

Mineral for Display: No

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


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Greenish white
Mid waves (320 nm):      Yellowish White Strong
Short Waves (254 nm):      Yellowish White Strong
Other colors SW:     
Greenish ,

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

No Data

Main Activator(s) and spectrum:

Most Common Activator: TiO6

Other activators:            Ti3+ ,

Peaks in the spectrum (nm):

TiO6 : 520 - 550nm

Ti3+ : 660nm


No spectrum for the moment

Comments on activators and spectra:

Cathodoluminescence: Bluish-green or yellowish-green (Khibiny).

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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