Database of luminescent minerals 

TREMOLITE

Chemical formula: XCa₂Mg₅Si₈O₂₂(OH)₂

Family: Silicates

Status: IMA-A

Crystal system : Monoclinic

Display mineral: NON

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

Luminescence:

Daylight picture

TREMOLITE
Photo and Copyright: James Hamblen
Site of the author
Used with permission of the author

Shortwave (254nm) picture

TREMOLITE under uvSW
Photo and Copyright: James Hamblen
Site of the author
Used with permission of the author

Do you have a photo of this mineral you would like to see in the gallery? Contact us!

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

Triboluminescence: OUI

Thermoluminescence: OUI

Comments:

Gouverneur Talc Co, Balmat and Talcville: tremolite (fl. orange SW) associated with tirodite (fl.red SW) and talc (fl. yellow SW).

Activator(s) and spectrum:

Activator(s): Mn²⁺ , Cr³⁺,  Fe³⁺,  

Peaks in the spectrum (nm):

Mn²⁺_I repl. Ca²⁺ : 580nm

Fe³⁺ repl. Si⁴⁺ : 720-740nm

Cr³⁺ repl. Mg²⁺? : 690-698nm

No spectrum yet

Best localities for fluorescence (*):

• Gouverneur Talc Co, Balmat and Talcville, St Lawrence County, New York, USA ;
• Edwards , New York, USA; (fluo orange SW and triboluminescent); 
• Rhein property, Amity, Town of Warwick, Orange Co., New York, USA (white-blue SW);
• Conklin Limestone Company quarry, Falls Village, Canaan, Litchfield Co., Connecticut, USA (blue SW);
• Farber Quarry, Franklin, New jersey, USA (blue SW);
• Nellie Ulmer Quarry, Rockland, Maine, USA;
• Tremola, Switzerland (bright yellow thermoluminescence);
• Canaan, Litchfield Co., Connecticut, USA (SW yellow);
• Yerington, Yerington District, Singatse Range, Lyon Co., Nevada, USA (Blue-white LW);
• Elsfjord, Vefsn, Nordland, Norway (blue SW);
• Campolungo, Piumogna Valley, Leventina, Ticino (Tessin), Switzerland (blue SW);
• Gilgit-Baltistan, Pakistan;

(*)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 ,
• The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
• Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

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

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

Internet Search:

  Image search on 'Google Images'

  Search for documents in all languages on Google

  Search on Wikipedia