COLEMANITE
Scheikundige formule: Ca2B6O11 5H2O
Familie: Boraten
Status: IMA-GP
Kristal Systeem: Monoklieniek
Mineraal om tentoon te stellen: Nee
Fluorescentie:
UV Type |
Kleur |
Intensiteit |
Frequentie van de observatie |
Lange Golven (365nm): | Blauw wit | | |
Korte Golven(254 nm): | Blauw wit | | | | | | |
Andere kleuren lange golven: | Gelig wit , Groen wit , |
Andere kleuren korte golven: | Gelig wit , Groen wit , |
Daglicht foto
COLEMANITE with minor calcite,
United Borax Mine Prospect, San Bernardino County,
California, USA
Photo and Copyright: James Horste
Used with permission of the author.
Lange golf foto (365nm)
COLEMANITE (fluo white), calcite (fluo yellowish) UVLW,
United Borax Mine Prospect, San Bernardino County,
California, USA
Photo and Copyright: James Horste
Used with permission of the author.
Fosforescentie (in de algemene betekenis) zien met het blote oog:
UV Type |
Kleur |
Intensity |
Observation Frequency |
Lange golven(365nm): | Groen wit | | |
Korte golven (254 nm): | Groen wit | | |
Activator en spectrum:
Geen gegevens
Commentaar over activators en spectra:
The fluorescence of colemanite was first observed in 1903 by Kunz and Baskerville.
Beste vindplaats voor fluorescentie(*):
- Boraxo Mine (Kern Borate Mine; Boraxo deposit; Boraxo No. 1 and No. 2; Clara claim; Thompson Mine; Tenneco Mine), Ryan, Furnace Creek Borate District ( Death Valley Area Borate Deposits), Inyo Co., California, USA;
- Boron, Kramer District, Kern Co., California, USA;
- Bandırma (Panderma), Balikesir Province, Marmara Region, Turkey;
- Kestelek Mine, Mustafakemalpascha, Bandirma Turkey (2005, LW+SW intense zoned);
- Bigadiç, Balikesir Province, Marmara Region, Turkey;
- Corkscrew Canyon Mine, Ryan, Furnace Creek Borate District (Death Valley Area Borate Deposits), Inyo Co., California, USA;
(*)Gegevens zijn niet exhaustieve, ze zijn beperkt tot de meest belangrijke plaatsen voor fluorescentie
Referentie voor fluorescentie:
- 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 ,
- The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Mineralogische Referentie op het internet:
http://www.mindat.org/show.php?name=Colemanite
http://webmineral.com/data/Colemanite.shtml
Onderzoek op Internet:
Beelden op 'Google Image'
Dokumenten in het Nederlands op Google
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Onderzoek op Wikipédia
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