tsavorite

 


Chemical formula: See GROSSULAIRE

Family: Silicates

Status: NA

Crystal system : Isometric

Display mineral: NON

 

Luminescence:

Longwave UV (365nm) colors:

    


Orange ,

 

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Phosphorescence (in the common sense of the term) observable with the naked eye:

No data

Activator(s) and spectrum:

Activator(s): Mn2+ ,

Peaks in the spectrum (nm):

No spectrum yet

Comments on spectrum and activators:

The luminescence of tsavorite in the yellow region (591 nm) is originated by Mn2+ in dodecahedral coordination (D2 point symmetry) while the luminescence in the red region (690–750 nm) is originated by Cr3+ in octahedral coordination (Oh point symmetry) in a strong crystal field. (See ref A. Idini)

Best localities for fluorescence (*):

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic reference for luminescence:

Reference for luminescence on the Internet:

Unravelling the luminescence spectrum of garnet grossular var. tsavorite: The role of chromium (III), manganese (II) and misattribution of vanadium (II), A. Idini, R. Argazzi, F. Frau, M. Fantauzzi, C. Angeli, Journal of Luminescence 277 (2025), https://doi.org/10.1016/j.jlumin.2024.120936

Mineralogical reference on the Internet:

  http://www.mindat.org/show.php?name=Tsavorite

  http://webmineral.com/data/Tsavorite.shtml

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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.