Luminescence, fluorescence and phosphorescence of minerals

AUTUNITE

Chemical Formula: Ca(UO₂)₂(PO₄)₂ 11H₂O

Familly: Phosphates, Arseniates, Vanadates

Status: IMA-GP

Crystal System: Tetragonal

Mineral for Display: No

Luminescence:

UV Type	Main color	Intensity	Observation Frequency

Long Waves (365nm):	Green	Strong	Allways (Intrinsic)
Short Waves (254 nm):	Green	Medium	Allways (Intrinsic)

Daylight Picture

AUTUNITE, Spokane, USA.
Photo and Copyright: Joan Abella i Creus, Spain
Used with permission of the author

Long Waves Picture (365nm)

AUTUNITE, Spokane, USA. LW (365 nm)
Photo and Copyright: Joan Abella i Creus, Spain Used with permission of the author

Galerie de photos:

...

To the gallery (7 images in the gallery)

Phosphorescence (in the common meaning of the term) seen by naked eye:

No phosphorescence seen by naked eye whatever the type of UV

Main Activator(s) and spectrum:

Most Common Activator: (UO₂)²⁺(Uranyl ion) intrinsic

Peaks in the spectrum (nm):

488.6, 504, 524.2, 548, 573.9, 602.4 - (488), 503, 524,(547), 550,(572), 600, (627)

Col. G. Barmarin; Spectre: G. Barmarin

Comments on activators and spectra:

Pics pour la meta-autunite: 488, 501.6, 523.7, 547.2, 573.3, 600.2 ;

Lifetime: 60μs ;

Best Locality for luminescence(*):

Daybreak mine (Dahl lease), Mount Kit Carson, near Mt Spokane, Spokane County, Washington, USA;
Cunha Baixa Mine, Beira Alta Province, Portugal;
Assunção Mine, Sátão, Sao Vicente (Vizeu) District, Portugal;

(*)Data are not exhaustive and are limited to the most important localities for fluorescence

Bibliographical 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 ,
Luminescence Spectroscopy of Minerals and Materials, M. Gaft, R. Reisfeld, G. Panczer, Springer Editor, ISBN: 10 3-540-21918-8 ,
Uranium minerals Website: http://www.uraniumminerals.com ,

Note: While all due attention has been paid to the implementation of the database, it may contain errors and/or accidental omissions. By nature, the database will always be incomplete because science always evolves according to new analysis.
A request providing no result means only that no such reference exists in the database, but it does not mean that what you are looking for does not exist, just not to our knowledge. If you think you have found an error or omission, please let us know via the contact page being sure to cite the source of information.

Database of luminescent Minerals