Database of luminescent minerals 

SABUGALITE

Chemical formula: H_0,5Al_0,5(UO₂)₂(PO₄)₂ 8H₂O

Family: Phosphates, Arseniates, Vanadates

Status: IMA-GP

Crystal system : Tetragonal

Display mineral: NON

Luminescence:

Daylight picture

Sabugalite, Mine de Margnac, Compreignac, Haute-Vienne, Limousin, France;
Daylight
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe

Longwave (365nm) picture

Sabugalite, Mine de Margnac, Compreignac, Haute-Vienne, Limousin, France;
LW (365nm)
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe

Shortwave (254nm) picture

Sabugalite, Mine de Margnac, Compreignac, Haute-Vienne, Limousin, France;
SW (254nm)
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe

Pictures Galery:

  
  Go to the galery (6 pictures)

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

No data

Activator(s) and spectrum:

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

Peaks in the spectrum (nm):

(UO₂)²⁺ : 491.4, 506.4, 527.6, 550.7, 576.1, 604.8 /

                (484nm), 503nm, 523nm, 547nm, 572nm, 601nm, 631nm (?)

Col. G. Barmarin; Spectre: G. Barmarin

Spectrum Galery:

  
  Go to the galery (2 spectra)

Best localities for fluorescence (*):

• Quarta Seira mine, Sabugal, Portugal;
• Mine de Margnac, Compreignac, Haute-Vienne, Limousin, France;

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic reference for luminescence:

• Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
• Spectroscopic properties of uranium(VI) minerals studied by TRLFS, G. Geipel and Al. Radiochim Acta 88 (2000) ,
• Introduction to radioactive minerals, Robert Lauf, Schiffer Publishing, 2008, ISBN 978-0-7643-2912-8 ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

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

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

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