Chemical Formula: Ca2Al3(SiO4)3(OH)
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.): thulite,
|Long Waves (365nm): || Orangy yellow |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Most Common Activator: V2+
Other activators: Eu2+ , Dy3+ , Tb3+ , Mn2+ , V2+ ,
Peaks in the spectrum (nm):
Eu2+ : 440nm
Dy3+ : 480, 575, 578nm
Tb3+ : 544nm
V2+ : 700, 705, 718, 726 nm
Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.
To the spectrum gallery (2 spectra in the gallery)
Best Locality for luminescence(*):
- Mitchell county, North Carolina, USA;
(*)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 ,
- Luminescence Spectroscopy of Minerals and Materials, M. Gaft, R. Reisfeld, G. Panczer, Springer Editor, ISBN: 10 3-540-21918-8 ,
Mineralogical Reference on internet:
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