Database of luminescent minerals 

TVEITITE-(Y)

Chemical formula: Ca₁₄Y₅F₄₃

Family: Halides

Status: IMA-A

Crystal system : Monoclinic

Display mineral: NON

Luminescence:

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

No data

Comments:

In withish inclusions fluorescing yellow orange in yttrian fluorite fluorescing pale yellow

Activator(s) and spectrum:

No spectrum yet

Best localities for fluorescence (*):

• Barringer Hill, Llano and Burnet Counties, Texas, USA (now under Lake Buchanan!);
• Høydalen, Tørdal, Drangedal, Telemark, Norway;
• Rovgora Mt. West Keivy Block, Keivy Massif, Kola, Russia (pale yellow SW);

(*)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 ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

  http://www.mindat.org/show.php?name=Tveitite-(y)

  http://webmineral.com/data/Tveitite-(y).shtml

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