elaterite
Chemical formula:
Family: Organic
Status: NA
Crystal system : Amorphous
Display mineral: NON
Associated names (luminescent varieties, discredited names, synonyms, etc.): wiedgerite, thioelaterite,
Luminescence:
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Longwave UV (365nm) colors: | Dark Orange /Tawn , Yellowish White , Pale Yellow , Greenish white ,
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Phosphorescence (in the common sense of the term) observable with the naked eye:
No phosphorescence visible to the naked eye under any type of UV
Comments:
Type of bitumen.
Thioelaterite: elaterite containing thioalcohols and thioethers.
Wiedgerite: soft bitumen resembling elaterite but containing much sulfur and water.
(see Mindat.org)
Activator(s) and spectrum:
Activator(s): Matière organique intrinsèque,
No spectrum yet
Best localities for fluorescence (*):
- Windy Knoll Quarry, Castleton, Derbyshire, England, UK
- Utah, USA;
(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence
Bibliographic reference for luminescence:
- 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:
Mineralogical reference on the Internet:
http://www.mindat.org/show.php?name=Elaterite
http://webmineral.com/data/Elaterite.shtml
Internet Search:
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