Database of luminescent minerals 

CELSIAN

Chemical formula: BaAl₂Si₂O₈

Family: Silicates

Status: IMA-GP

Crystal system : Monoclinic

Display mineral: NON

Luminescence:

Daylight picture

CELSIAN & WALSTROMITE
From the Esquire No. 8 claim, Big Creek, CA USA
Photo and Copyright: Cran Cowan
Used with permission of the author;

Longwave (365nm) picture

CELSIAN (blue) & WALSTROMITE (not fluo), UVLW
From the Esquire No. 8 claim, Big Creek, CA USA
Photo and Copyright: Cran Cowan
Used with permission of the author;

Midwave (330nm) picture

CELSIAN (blue) & WALSTROMITE (orange), UVMW
From the Esquire No. 8 claim, Big Creek, CA USA
Photo and Copyright: Cran Cowan
Used with permission of the author;

Shortwave (254nm) picture

CELSIAN (blue) & WALSTROMITE (orange), UVSW
From the Esquire No. 8 claim, Big Creek, CA USA
Photo and Copyright: Cran Cowan
Used with permission of the author;

Pictures Galery:

  
  Go to the galery (8 pictures)

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

No data

Activator(s) and spectrum:

No data

Peaks in the spectrum (nm):

Large spectrum peaking around 485nm

Best localities for fluorescence (*):

• Sanbornite deposit, Fresno county, California, USA;
• Esquire No. 8 claim, Big Creek, California, USA;
• Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA;

(*)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 ,

Mineralogical reference on the Internet:

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

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

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