CASSITERITE
Scheikundige formule: SnO2
Familie: Oxiden en Hydroxiden
Status: IMA-GP
Mineraal om tentoon te stellen: Nee
Fluorescentie:
UV Type |
Kleur |
Intensiteit |
Frequentie van de observatie |
Korte Golven(254 nm): | Geel | Zwak | Zelden |
| | | |
Andere kleuren lange golven: | , |
Andere kleuren korte golven: | Geelachtig , |
Fosforescentie (in de algemene betekenis) zien met het blote oog:
No Data
Activator en spectrum:
Voornaamste Activator: Sn2+
Andere activatoren: Sn3+ , W ,
Pieks in het spectrum (nm):
Sn2+ : very large band at 475nm (200nm half-width)
Sn2+ : very large band at 535nm (140nm half-width)
Sn2+ : very large band at 550 nm (140nm half-width)

Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.

...
Vers la galerie de spectres (2 spectres au total)
Commentaar over activators en spectra:
Blue luminescence: activator W Yellow luminescence: Ti? (Based on Cathodoluminescence, Waychunas) With powerfull laser excitation (337 nm) or at low temperature (77k) bright intinsic luminescence (Sn2+ and Sn3+)(Gaft)
Beste vindplaats voor fluorescentie(*):
- Aberfoyle Mine (Aberfoyle Tin Mine; Rossarden Tin Mine), Rossarden district, Tasmania, Australia;
- Viloco Mine (Araca mine), Loayza Province, La Paz Department, Bolivia;
(*)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 ,
- Luminescence Spectroscopy of Minerals and Materials, M. Gaft, R. Reisfeld, G. Panczer, Springer Editor, ISBN: 10 3-540-21918-8 ,
- Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
Mineralogische Referentie op het internet:
http://www.mindat.org/show.php?name=Cassiterite
http://webmineral.com/data/Cassiterite.shtml
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