Database of luminescent minerals 

SIMPSONITE

Chemical formula: Al₄(Ta,Nb)₃O₁₃(O,OH,F)

Status: IMA-GP

Crystal system : Rhomboedric

Display mineral: NON

Luminescence:

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

No data

Activator(s) and spectrum:

No spectrum yet

Best localities for fluorescence (*):

• Tabba Tabba pegmatite, Wallareenya Station, Port Hedland Shire, Western Australia, Australia (bluish-white SW);
• Simpsonite, Benson pegmatite mine, Mtoko, Southern Rhodesia (pale yellow SW);
• Alto do Giz pegmatite, Equador, Borborema mineral province, Rio Grande do Norte, Brazil (white-yellow SW);
• Tanco Mine (Bernic Lake Mine), Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada (white SW);
• Mdara Mine, Bikita Area, Masvingo, Zimbabwe (bright white-yellow SW);
• Vasin-Myl k Mt, Voroni Tundry, Murmanskaya Oblast, Northern Region, 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 ,
• 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=Simpsonite

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

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