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(*):
- 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:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Phosphuranylite
http://webmineral.com/data/Phosphuranylite.shtml
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