Database of luminescent minerals
TUGTUPITE
Chemical formula: Na4AlBeSi4O12Cl
Family: Silicates
Status: IMA-GP
Crystal system : Tetragonal
Display mineral: OUI
Associated names (luminescent varieties, discredited names, synonyms, etc.): tugtulite,
Luminescence:
Longwave UV (365nm) colors: |
Orange , Pinkish White , Orange Red , Red , Salmon pink , | ||
Midwave UV (320nm) colors: |
Pinkish White , Orange , Pink , | ||
Shortwave UV (254nm) colors: |
Orange Red , Yellowish White , Pinkish White , Orange , Red , | ||
Daylight picture
Longwave (365nm) picture
Midwave (330nm) picture
Shortwave (254nm) picture
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Phosphorescence (in the common sense of the term) observable with the naked eye:
Type d'UV |
Couleur |
Intensité |
Fréquence d'observation |
|---|---|---|---|
UV longs (365nm): | Pinkish White | Medium | UV moyens (320 nm): | Bluish White | Medium | UV courts (254 nm): | Bluish White | Medium |
Tenebrescence: OUI
Activator(s) and spectrum:
Activator(s): S2-, Fe3+, Eu2+, Ce3+, Mn2+ ,
Peaks in the spectrum (nm):
S2- : band with weak vibrational structure peaking at 600-680nm Fe3+repl. Si4+ : 570 - 680nm
Col. G. Barmarin; Spectre: G. Barmarin
Spectrum Galery:
...
Comments on spectrum and activators:
It is generally accepted that the yellow-orange emission of tugtupite with weak vibrational structure at 300 K, which becomes more prominent at low temperatures, is connected to a S2- luminescence center (Povarennykh et al. 1971). Laser-induced time-resolved technique enables Gaft to detect Eu2+ (Band at 430nm) and Ce3+ (Band at 360nm), two different Mn2+ (Band at 495 & 512nm), Fe3+ (Band at 670nm) and S2- (Band at 603nm) emission centers.
Best localities for fluorescence (*):
- Ilimaussaq complex, Kvanefjeld, Narsaq, Kitaa (West Greenland) Province, Greenland;
- Ilimaussaq complex, Taseq slopes, Narsaq, Kitaa (West Greenland) Province, Greenland;
- Ilimaussaq complex, Kangerlassaq, Narsaq, Kitaa (West Greenland) Province, Greenland;
- Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada;
- Shkatulka pegmatite, Umbozero mine, Alluaiv Mt, Lovozersky District, Murmansk Oblast, 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 ,
- Mt St Hilaire Website: http://www.saint-hilaire.ca ,
- Minershop.com ,
Reference for luminescence on the Internet:
- Fluorescent minerals of Greenland from The Minershop:
- www.minershop.com/FLmingreen.pdf (Pdf,1,54 Mb)
- www.minershop.com/history.pdf (Pdf, 22Mb)
- Fluorescent minerals of Greenland from The Minershop
- Handbook of mineralogy
- https://www.academia.edu/21548029/Laser-induced_time-resolved_luminescence_of_tugtupite_sodalite_and_hackmanite
- MONT-SAINT-HILAIRE, History, Geology, Mineralogy, Laszlo HORVATH, The Canadian Mineralogist, Special Publication 14, 2019
Images:
- Shkatulka pegmatite, Umbozero mine,Russia: https://www.mindat.org/photo-66915.html
- Kvanefjeld, Ilímaussaq complex, Greenland: https://www.mindat.org/photo-68220.html
Videos:
- Ténébrescence hackmanite & tugtupite : https://www.youtube.com/watch?v=stDh8GDkEYc
Mineralogical reference on the Internet:
http://www.mindat.org/show.php?name=Tugtupite
http://webmineral.com/data/Tugtupite.shtml
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