Database of luminescent minerals 

LORENZENITE

Chemical formula: Na₂Ti₂Si₂O₉

Family: Silicates

Status: IMA-GP

Crystal system : Orthorhombic

Display mineral: NON

Associated names (luminescent varieties, discredited names, synonyms, etc.): ramsayite, 

Luminescence:

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Phosphorescence (in the common sense of the term) observable with the naked eye:

No data

Activator(s) and spectrum:

Activator(s): TiO₆, Ti³⁺,  

Peaks in the spectrum (nm):

TiO₆ : 520 - 550nm

Ti³⁺ : 660nm

(Gorobets)

No spectrum yet

Comments on spectrum and activators:

Cathodoluminescence: Bluish-green or yellowish-green (Khibiny).

Best localities for fluorescence (*):

• 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;

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic 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 ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

  http://www.mindat.org/show.php?name=Lorenzenite

  http://webmineral.com/data/Lorenzenite.shtml

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