Database of luminescent minerals 

HAIWEEITE

Chemical formula: Ca[(UO₂)₂Si₅O₁₂(OH)₂] 3H₂O

Family: Silicates

Status: IMA-GP

Display mineral: NON

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

Luminescence:

Daylight picture

Haiweeite de Teofilo Otoni, Minas Gerais, Brésil;
Daylight
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe

Shortwave (254nm) picture

Haiweeite de Teofilo Otoni, Minas Gerais, Brésil;
OC (254 nm).
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe

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

No phosphorescence visible to the naked eye under any type of UV

Activator(s) and spectrum:

Activator(s): (UO₂)²⁺ (ion Uranyle) intrinsèque ,

Peaks in the spectrum (nm):

(UO₂)²⁺ : 508, 526, 549nm

HAIWEETE, Excitation: laser 405nm. Col. L. Vandenberghe; Spectre: G. Barmarin

Best localities for fluorescence (*):

• Haiwee Reservoir, Coso Mountains, California, USA;
• Teofilo Otoni, Minas Gerais, Brésil;

(*)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 ,
• Uranium minerals Website: http://www.uraniumminerals.com ,
• Introduction to radioactive minerals, Robert Lauf, Schiffer Publishing, 2008, ISBN 978-0-7643-2912-8 ,

Mineralogical reference on the Internet:

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

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

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