Crystal System: Amorphous
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.): wiedgerite, thioelaterite,
|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
Type of bitumen.
Thioelaterite: elaterite containing thioalcohols and thioethers.
Wiedgerite: soft bitumen resembling elaterite but containing much sulfur and water.
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:
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