Database of luminescent minerals
META-ANKOLEITE
Chemical formula: K2(UO2)2(PO4)2 6H2O
Family: Phosphates, Arseniates, Vanadates
Status: IMA-A
Crystal system : Tetragonal
Display mineral: NON
Luminescence:
Longwave UV (365nm) colors: |
Green , | ||
Shortwave UV (254nm) colors: |
Green , | ||
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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):
505, 526, 550; 575, 615
Solubility and spectrochemical characteristics of synthetic chernikovite and meta-ankoleite, LAURENT VAN HAVERBEKE, RENAUD VOCHTEN AND KAREL VAN SPRINGEL, Mineralogical Magazine, October 1996, Vol. 60 p763
Best localities for fluorescence (*):
- Mongenyi pegmatite, Ankole district, Uganda;
- Franklin, New jersey, 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:
Mineralogical reference on the Internet:
http://www.mindat.org/show.php?name=Meta-ankoleite
http://webmineral.com/data/Meta-ankoleite.shtml
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