Database of luminescent Minerals
PHURCALITE
Chemical Formula: Ca2(UO2)3O2(PO4)2 7H2O
Familly: Phosphates, Arseniates, Vanadates
Status: IMA-A
Crystal System: Orthorhombic
Mineral for Display: No
Luminescence:
| UV Type | Main color | Intensity | Observation Frequency |
|---|---|---|---|
| Long Waves (365nm): | Yellowish Green | Medium | Short Waves (254 nm): | Yellowish Green | 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
Short Waves Pictures (254nm)
PHURCALITE UVSW,
Posey Mine,
San Juan County, Utah, USA
Photo and Copyright: Christopher J. Stefano, Michigan, USA
Used with permission of the author
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
Peaks in the spectrum (nm):
(UO2)2+ : 521, 541, 560, 584nm
Col. G. Barmarin; Spectre: G. Barmarin
Best Locality for luminescence(*):
- Posey mine, San Juan county, Utah, USA;
(*)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 ,
- Uranium minerals Website: http://www.uraniumminerals.com ,
- Introduction to radioactive minerals, Robert Lauf, Schiffer Publishing, 2008, ISBN 978-0-7643-2912-8 ,
Luminescence Reference on 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 internet:
http://www.mindat.org/show.php?name=Phurcalite
http://webmineral.com/data/Phurcalite.shtml
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