Database of luminescent minerals 

PHOSPHURANYLITE

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

Family: Phosphates, Arseniates, Vanadates

Status: IMA-GP

Display mineral: NON

Luminescence:

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

No data

Comments:

Doubtfull orange-brown fluorescence cited by Robbins;

Activator(s) and spectrum:

Activator(s): (UO₂)²⁺ (ion Uranyle) intrinsèque ,

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 spectrum and activators:

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

Best localities for fluorescence (*):

• Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA (dull green );
• Berry-Havey Quarry, Poland, Androscoggin Co., Maine, USA (dull green);

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

Bibliographic reference for luminescence:

• The Henkel Glossary of Fluorescent Minerals, Dr. Gerhard Henkel, Published by the FMS, 1989 ,
• Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

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

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

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