Chemical Formula: C14H8O2
Crystal System: Orthorhombic
Mineral for Display: No
|Long Waves (365nm): || Bluish White |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Chemically 9,10-anthraquinone or anthracene-9,10-dione
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Eliška dump (Jan Šverma Mine), Žacléř, Trutnov, Hradec Králové Region, Bohemia, Czech Republic;
- Kladno Mine (Schöller Mine), Libušín, Kladno, Central Bohemia, Czech Republic;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
Mineralogical Reference on internet:
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