Database of luminescent minerals 

SKLODOWSKITE

Chemical formula: (H₃O)₂Mg(UO₂)₂(SiO₄)₂ 4H₂O

Family: Silicates

Status: IMA-GP

Display mineral: NON

Luminescence:

Daylight picture

Skloodowskite de Kamoto-Est, Katanga, R.D. du Congo;
Daylight
Photo and Copyright: G. Barmarin
Col.: L. Vandenberghe

Shortwave (254nm) picture

Skloodowskite de Kamoto-Est, Katanga, R.D. du Congo;
SW (254nm)
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

Comments:

Luminescent at low temperature (Gorobets):18050 cm^-1

Some micromounts xls are luminescent

Also fluorescent under 405nm laser light

Activator(s) and spectrum:

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

Peaks in the spectrum (nm):

(UO₂)²⁺ : (503nm), 522nm, 546nm, (597nm)

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

Comments on spectrum and activators:

Nature of the sample to be verified.

Best localities for fluorescence (*):

• Kamoto-Est, Katanga, R.D. du Congo;
• Shinkolobwe, Katanga, R.D. du Congo;
• Musonoi Mine, Kolwezi, Lualaba, DR Congo;
• Clara Mine, Oberwolfach, Freiburg, Baden-Württemberg, Germany;
• Lavrion District Mines, Lavreotiki, East Attica, Attica, Greece;
• Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico;

(*)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 ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,
• Uranium minerals Website: http://www.uraniumminerals.com ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

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

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

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