SILLIMANITE

 


Chemical formula: Al2SiO5

Family: Silicates

Status: IMA-GP

Display mineral: NON

 

Luminescence:

Longwave UV (365nm) colors:

    


Yellowish White ,

Shortwave UV (254nm) colors:

         


Green , Red ,

 

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

No data

Comments:

Kyanite, sillimanite and andalusite are three polymorphs of Al2SiO5.

Green fluo probably due to uranium impurities

Activator(s) and spectrum:

Activator(s): (UO2)2+ (ion Uranyle) en impureté,

No spectrum yet

Comments on spectrum and activators:

Cathodoluminescence: blue.

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:

Mineralogical reference on the Internet:

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

  http://webmineral.com/data/Sillimanite.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.