elaterite
Chemical Formula:
Familly: Organic
Status:
Crystal System: Amorphous
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.):
wiedgerite, thioelaterite,
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Dark Orange /Tawn | | | | | | |
Other colors LW: | Yellowish White , Pale Yellow , Greenish white , |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the 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)
Main Activator(s) and spectrum:
Most Common Activator: Intrinsic organic material
No spectrum for the moment
Best Locality for luminescence(*):
- Windy Knoll Quarry, Castleton, Derbyshire, England, UK
- Utah, USA;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Luminescence Reference on internet:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Elaterite
http://webmineral.com/data/Elaterite.shtml
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