Database of luminescent minerals 

HOLTITE

Chemical formula: Al₆(Al,Ta)(Si,Sb)₃BO₁₅(O,OH)₂

Family: Borates

Status: IMA-A

Crystal system : Orthorhombic

Display mineral: NON

Luminescence:

Daylight picture

HOLTITE, Vasin-Myl'k massif, Voroni Tundry,
Kola peninsula, MurmanskajaOblast, Russia;
Copyright 2006 S. Schneider,
The World of Fluorescent Minerals,
Used with permission of the author,

Shortwave (254nm) picture

HOLTITE with PHLOGOPITE, Vasin-Myl'k massif, Voroni Tundry,
Kola peninsula, MurmanskajaOblast, Russia;
Holtite fluoresces pale blue SW, phlogopite yellow SW
Copyright 2006 S. Schneider,
The World of Fluorescent Minerals,
Used with permission of the author,

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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 (*):

• Greenfields district, Western Australia, Australia;
• Vasin-Myl k massif, Voron i Tundry (Voronya Tundra), Kola peninsula, Murmanskaja Oblast, Russia (fluo pale blue 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 ,
• The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

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

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

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