KRATOCHVILITE
Chemical Formula: C13H10
Familly: Organic
Status: IMA-GP
Crystal System: Orthorhombic
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Blue | Strong | | Short Waves (254 nm): | Blue | Strong | | | | | |
Other colors LW: | Bluish White , |
Other colors SW: | Bluish White , Violet blue , |
Daylight Picture

KRATOCHVILITE, Terril de Tamines, Belgique;
Col. G.Barmarin; Photo: G. Barmarin
Long Waves Picture (365nm)

KRATOCHVILITE, Terril de Tamines, Belgique;
UVLW
Col. G.Barmarin; Photo: G. Barmarin
Short Waves Pictures (254nm)

KRATOCHVILITE, Terril de Tamines, Belgique;
UVSW
Col. G.Barmarin; Photo: G. Barmarin
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Main Activator(s) and spectrum:
Most Common Activator: Intrinsic organic material
Peaks in the spectrum (nm):
large band. max: 460nm, band at 572 nm / peaks at: 408nm, 434nm, 460nm, 488nm, 512nm

Col. G. Barmarin; Spectre: G. Barmarin
Comments on activators and spectra:
Organic compound formed in burning pyritic shale or coal fires. It is not clear whether kratochvillite is the chemical fluorene (C13H10) or anthracene (C14H10).
Best Locality for luminescence(*):
- Freital near Dresden, Saxony, Germany;
- Kladno Mine, Libušin, Kladno, Central Bohemia Region, Bohemia, Czech Republic;
- Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany;
(*)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 ,
- Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
Luminescence Reference on internet:
- UV-Waves September/October 1996, UV Minerals in former East Germany by H.J.Weller and J. Slacik reprinted from Fundgrube, XXVI, 1990,#3
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Kratochvilite
http://webmineral.com/data/Kratochvilite.shtml
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