BOLIVARITE
Chemical formula: See EVANSITE Al2(PO4)(OH)3 4H2O
Family: Phosphates, Arseniates, Vanadates
Status: IMA-GP
Crystal system : Amorphous
Display mineral: NON
Luminescence:
| | | |
Longwave UV (365nm) colors: | Green ,
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| Intensity LW:Strong
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Midwave UV (320nm) colors: | Green ,
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| Intensity MW:Strong
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Shortwave UV (254nm) colors: | Green ,
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| Intensity SW:Strong
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Phosphorescence (in the common sense of the term) observable with the naked eye:
No data
Comments:
Possibly only a variety of evansite (if bolivarite was formally discredited, evansite would have priority as the species name). (See https://www.mindat.org/min-713.html )
See also Kobokoboite
Activator(s) and spectrum:
Activator(s): (UO2)2+ (ion Uranyle) en impureté,
Peaks in the spectrum (nm):
UO22+ : 498, 518, 541, 566, 592nm
713nm
Bolivarite, Kivu, Congo; Excitation: laser 405nm. Col. G. Barmarin; Spectre: G. Barmarin
Best localities for fluorescence (*):
- Kobokobo pegmatite, Shabunda Territory, South Kivu, DR Congo (light green SW);
- Pontevedra, Galicia, Spain (white-green, SW+LW);
(*)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 ,
- Luminescenza nel regno minerale, Guido Mazzoleni, fotografia Roberto Appiani, Libri Sandit, 2010, ISBN 978-88-95990-63-7 ,
Reference for luminescence on the Internet:
Mineralogical reference on the Internet:
http://www.mindat.org/show.php?name=Bolivarite
http://webmineral.com/data/Bolivarite.shtml
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