Database of luminescent minerals
BARYTOCALCITE
Chemical formula: BaCa(CO3)2
Family: Carbonates
Status: IMA-GP
Crystal system : Monoclinic
Display mineral: NON
Luminescence:
Shortwave UV (254nm) colors: |
Tawn , Yellowish White , Pinkish White , Pale Yellow , Dark Orange /Tawn , Violet Pink , Pink , Salmon pink , Yellowish , | ||
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Phosphorescence (in the common sense of the term) observable with the naked eye:
No data
Comments:
Difficult to recognize from associated minerals, so fluorescence description is sometime subject to caution. For exemple in Nentsberry Haggs Mine, Alston Moor, Eden, Cumbria, United Kingdom barytocalcite is described as fluorescing Pink SW, associated with Witherite fluorescing White SW+LW and Phosphorescent by some authors and fluo White SW associated with calcite fluorescing red by others...;
Activator(s) and spectrum:
No dataNo spectrum yet
Best localities for fluorescence (*):
- Langban, Filipstad, Varmland Province, Sweden;
- Rampgill Mine, Cumbria, United Kingdom (fluo Pink SW, associated with Witherite fluo White SW and Phosphorescent);
- Nentsberry Haggs Mine, Alston Moor, Eden, Cumbria, United Kingdom (fluo Pink or white SW, associated with Witherite fluo White SW+LW and Phosphorescent or calcite fluo red);
- Fistas Rake, Blagill, Alston, Cumbria, United Kingdom (fl. red SW) ;
- Tisnov, Brno-Country District, South Moravian Region, Czech Republic (fluo yellow/white SW & PHOS.);
(*)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 ,
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Reference for luminescence on the Internet:
- Fluorescent Minerals of Langban, Richard Loyens, UV-Waves January/February 1996.
- Langban (Mindat.org)
- Der Aufschluss, Vol.48, n°2 March/April 1997 by Fritz Blatter;
- http://www.handbookofmineralogy.com/pdfs/barytocalcite.pdf
Images:
- Langban, Sweden: http://www.mindat.org/photo-167901.html
- Langban, Sweden: http://www.mindat.org/photo-164869.html
Mineralogical reference on the Internet:
http://www.mindat.org/show.php?name=Barytocalcite
http://webmineral.com/data/Barytocalcite.shtml
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