LORENZENITE
Chemical Formula: Na2Ti2Si2O9
Familly: Silicates
Status: IMA-GP
Crystal System: Orthorhombic
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.):
ramsayite,
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Greenish white | | | Mid waves (320 nm): | Yellowish White | Strong | | Short Waves (254 nm): | Yellowish White | Strong | | | | | |
Other colors SW: | Greenish , |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Main Activator(s) and spectrum:
Most Common Activator: TiO6
Other activators: Ti3+ ,
Peaks in the spectrum (nm):
TiO6 : 520 - 550nm
Ti3+ : 660nm
(Gorobets)
No spectrum for the moment
Comments on activators and spectra:
Cathodoluminescence: Bluish-green or yellowish-green (Khibiny).
Best Locality for luminescence(*):
- Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada;
- Jones Mill Quarry, Magnet Cove, Hot Spring Co., Arkansas, USA (pale yellow MW very similar to Mont Saint-Hilaire samples);
- Bratthagen 1 road cut pegmatites, Lågendalen, Langesundfjord, Larvik Plutonic Complex, Hedrum, Larvik, Vestfold, Norway;
- Tvedalen, Langesundfjord, Larvik Plutonic Complex, Norway;
- Lysebo near Farris, Langesundfjord, Larvik Plutonic Complex, Hedrum, Larvik, Vestfold, Norway;
- Selsurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia (yellowish LW+SW);
- Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia (green SW);
- Ilimaussaq complex, Kvanefjeld, Narsaq, Kitaa (West Greenland) Province, Greenland;
- Burpala, Patom plateau, East Siberia, Russia;
(*)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 ,
- The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
- 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 ,
- Mt St Hilaire Website: http://www.saint-hilaire.ca ,
Luminescence Reference on internet:
- The Langesundsfjord: history, geology, pegmatites, minerals, Alf Olav Larsen, Bode Verlag Gmbh, 2010 ISBN 978-3-925094-97-2
- MONT-SAINT-HILAIRE, History, Geology, Mineralogy, Laszlo HORVATH, The Canadian Mineralogist, Special Publication 14, 2019
Images:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Lorenzenite
http://webmineral.com/data/Lorenzenite.shtml
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Note: While all due attention has been paid to the implementation of the database, it may contain errors and/or accidental omissions. By nature, the database will always be incomplete because science always evolves according to new analysis.
A request providing no result means only that no such reference exists in the database, but it does not mean that what you are looking for does not exist, just not to our knowledge. If you think you have found an error or omission, please let us know
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