Database of luminescent Minerals
chert
Chemical Formula:
Familly: Rock
Status: NON APPR
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.): flint,Luminescence:
| UV Type | Main color | Intensity | Observation Frequency |
|---|---|---|---|
| Long Waves (365nm): | Green | Short Waves (254 nm): | Green |
| Other colors LW: | Yellowish White , Pale Yellow , Orangy yellow , Orange , Dark Orange /Tawn , Tawn , Greenish , Greenish white , Yellowish , | ||
| Other colors SW: | Yellowish White , Pale Yellow , Orangy yellow , Orange , Dark Orange /Tawn , Tawn , Greenish , Greenish white , Yellowish , | ||
Phosphorescence (in the common meaning of the term) seen by naked eye:
| UV Type | Color | Intensity | Observation Frequency |
|---|---|---|---|
| Long Wave (365nm): | No data | Mid Waves (320 nm): | No data | Short Waves (254 nm): | No data |
Comments:
Compact rocks with low porosity that are composed mainly of microcrystalline quartz and varying amounts of impurities (Folk et al 1952; Smith 1960 see mindat.org)
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) as impurities
Other activators: Organic impurities ,
No spectrum for the momentBest Locality for luminescence(*):
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Chert
http://webmineral.com/data/Chert.shtml
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Note: While all due attention has been paid to the implementation of the database, it may contain errors and/or accidental omissions. By nature, the database will always be incomplete because science always evolves according to new analysis.
A request providing no result means only that no such reference exists in the database, but it does not mean that what you are looking for does not exist, just not to our knowledge. If you think you have found an error or omission, please let us know via the contact page being sure to cite the source of information.
A request providing no result means only that no such reference exists in the database, but it does not mean that what you are looking for does not exist, just not to our knowledge. If you think you have found an error or omission, please let us know via the contact page being sure to cite the source of information.