Database of luminescent minerals
PHURCALITE
Chemical formula: Ca2(UO2)3O2(PO4)2 7H2O
Family: Phosphates, Arseniates, Vanadates
Status: IMA-A
Crystal system : Orthorhombic
Display mineral: NON
Luminescence:
Longwave UV (365nm) colors: |
Yellowish Green , | ||
Intensity LW:Medium | |||
Shortwave UV (254nm) colors: |
Yellowish Green , | ||
Intensity SW:Medium | |||
Daylight picture
PHURCALITE ,
Posey Mine,
San Juan County, Utah, USA
Photo and Copyright: Christopher J. Stefano, Michigan, USA
Used with permission of the author
Shortwave (254nm) picture
PHURCALITE UVSW,
Posey Mine,
San Juan County, Utah, USA
Photo and Copyright: Christopher J. Stefano, Michigan, USA
Used with permission of the author
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Phosphorescence (in the common sense of the term) observable with the naked eye:
No phosphorescence visible to the naked eye under any type of UV
Activator(s) and spectrum:
Activator(s): (UO2)2+ (ion Uranyle) intrinsèque ,
Peaks in the spectrum (nm):
(UO2)2+ : 521, 541, 560, 584nm
Col. G. Barmarin; Spectre: G. Barmarin
Best localities for fluorescence (*):
- Posey mine, San Juan county, Utah, USA;
(*)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 ,
- Uranium minerals Website: http://www.uraniumminerals.com ,
- Introduction to radioactive minerals, Robert Lauf, Schiffer Publishing, 2008, ISBN 978-0-7643-2912-8 ,
Reference for luminescence on the Internet:
- https://www.mindat.org/min-3202.html (stated as non fluorescent?)
- http://www.handbookofmineralogy.com/pdfs/phurcalite.pdf (may y fluoresce green under SW UV)
Mineralogical reference on the Internet:
http://www.mindat.org/show.php?name=Phurcalite
http://webmineral.com/data/Phurcalite.shtml
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