Database of luminescent Minerals


NENADKEVICHITE


Chemical Formula: Na8-xNb4(Si4O12)2(O,OH)4 8H2O

Familly: Silicates

Status: IMA-GP

Mineral for Display: No


Luminescence:


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Green Weak
Mid waves (320 nm):      Green Medium
Short Waves (254 nm):      Green Weak
Other colors LW:     
Greenish ,
Other colors MW:     
Greenish ,
Other colors SW:     
Greenish ,
 

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


No Data

Comments:


White coating on the pinacoidal faces of the nenadkevichite from Mont St Hilaire fluoresces sometime green under SW, MW and LW.


Main Activator(s) and spectrum:


No data


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:


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

  http://webmineral.com/data/Nenadkevichite.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.

 


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