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:

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

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

Comments on activators and spectra:

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

Best Locality for luminescence(*):

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

(*)Data are not exhaustive and are limited to the most important localities for fluorescence

Bibliographical 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 ,

Luminescence Reference on internet:

• http://www.crlc.ca/Fluorescent Mineral Database 1.pdf

Pictures:

• Berry-Havey Quarry, USA: http://www.mindat.org/photo-618645.html

Mineralogical Reference on internet:

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

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

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