Database of luminescent minerals 

ANHYDRITE

Chemical formula: CaSO₄

Family: Sulfates

Status: IMA-GP

Crystal system : Orthorhombic

Display mineral: NON

Luminescence:

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

No data

Thermoluminescence: OUI

Activator(s) and spectrum:

Activator(s): Sm²⁺, S₂^-,  Eu²⁺,  Ce³⁺,  Eu³⁺,  Dy³⁺,  Tb³⁺,  Mn²⁺ ,  O^*,  Nd³⁺,  Yb²⁺,  

Peaks in the spectrum (nm):

Mn²⁺II, NOT repl. Ca²⁺: 600-630nm
O₂^- repl. [SO₄]^2-: 400-500nm
S₂^-: 500-600nm (in N-liquid)
Ce³⁺: 320, 340nm
Eu²⁺: 385nm
Tb³⁺: 416, 438nm
Dy³⁺: 475, 478, 480, 546, 574, 577, 582nm
Sm²⁺: 630, 632, 633, 637, 640, 680, 687, 689, 690, 693, 696, 699, 700, 703, 704, 706, 706, 708, 727, 732, 735, 740, 744, 745, 748, 765, 766, 767, 769, 777, 782, 818, 820, 821, 832nm
Nd³⁺: 838, 839, 892, 899nm
Eu³⁺: 593, 618, 691, 702nm
Yb²⁺: 525nm

Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.

Spectrum Galery:

  
  Go to the galery (9 spectra)

Comments on spectrum and activators:

Activator: Mn2+ or REE substituted to Ca (Gaft); O^-₂ (Gorobets);

Best localities for fluorescence (*):

• Naica, Mun. de Saucillo, Chihuahua, Mexico (weak white SW and LW, sometime blue SW with calcite red SW);
• Hanover, Lower Saxony, Germany (red LW);

(*)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 ,
• Luminescence Spectroscopy of Minerals and Materials, M. Gaft, R. Reisfeld, G. Panczer, Springer Editor, ISBN: 10 3-540-21918-8 ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,

Mineralogical reference on the Internet:

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

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

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