Database of luminescent Minerals
ANHYDRITE
Chemical Formula: CaSO4
Familly: Sulfates
Status: IMA-GP
Crystal System: Orthorhombic
Mineral for Display: No
Luminescence:
| UV Type | Main color | Intensity | Observation Frequency |
|---|---|---|---|
| Long Waves (365nm): | Pink | Weak | Short Waves (254 nm): | Red | Weak |
| Other colors LW: | White , Bluish White , Blue , Bluish , | ||
| Other colors SW: | White , Bluish White , Blue , Bluish , | ||
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Thermoluminescence: Yes
Main Activator(s) and spectrum:
Most Common Activator: Sm2+
Other activators: 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.
... 
To the spectrum gallery (8 spectra in the gallery)
Comments on activators and spectra:
Activator: Mn2+ or REE substituted to Ca (Gaft); O-2 (Gorobets);
Best Locality for luminescence(*):
- Naica, Mun. de Saucillo, Chihuahua, Mexico (weak white SW and LW, sometime blue SW with calcite red SW);
- Hanover, Lower Saxony, Germany (red LW);
(*)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 ,
- 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 internet:
http://www.mindat.org/show.php?name=Anhydrite
http://webmineral.com/data/Anhydrite.shtml
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