Database of luminescent Minerals


PHOSPHURANYLITE


Chemical Formula: (H3O)3KCa(UO2)7O4(PO4)4 8H2O

Familly: Phosphates, Arseniates, Vanadates

Status: IMA-GP

Mineral for Display: No


Luminescence:


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Green Very weak
 

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


No Data

Comments:


Doubtfull orange-brown fluorescence cited by Robbins;


Main Activator(s) and spectrum:


Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic

Peaks in the spectrum (nm):

Broad band max at 540nm 

(UO2)2+ : 500, 522, 546, 570, 601nm


Phosphuranylite; Excitation: 254nm (Hg). Col. G. Barmarin; Spectre: G. Barmarin


Comments on activators and spectra:


 Gorobets: broad band at room temperature max at 540 nm, 100x brighter in N liquid;


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=Phosphuranylite

  http://webmineral.com/data/Phosphuranylite.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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