Chemical Formula: C6H4(CO)2NH
Crystal System: Monoclinic
Mineral for Display: No
|Long Waves (365nm): || Bluish White ||Mid waves (320 nm): || Bluish White ||Short Waves (254 nm): || Bluish White |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Chemically identical to phthalimide (phthalic acid imide, systematically named isoindole-1,3-dione or 1,3-dioxoisoindole)
Main Activator(s) and spectrum:
Most Common Activator: Intrinsic organic material
No spectrum for the moment
Best Locality for luminescence(*):
- Kladno Mine (Zdeněk Nejedlý Mine; Schoeller Mine;), Libušin, Kladno, Central Bohemia Region, 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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