DOUBTFULL FLUORESCENCE but cited by some authors
Chemical Formula:See THORITE Th(SiO4)1-x(OH)4x
Familly: Silicates
Status: IMA-GP
Crystal System: Tetragonal
Mineral for Display: No
UV Type | Main color | Intensity | Observation Frequency |
---|---|---|---|
Long Waves (365nm): | Yellowish Green | Mid waves (320 nm): | Yellowish Green | Short Waves (254 nm): | Yellowish Green |
Other colors SW: | Yellowish White , |
? The specimen from Rock Landing Quarry, Haddam Neck, Haddam, Middlesex Co., Connecticut, USA described in mindat.org is EDXRF identified and the picture shows definitely a fluorescence but from alteration.
Most Common Activator: (UO2)2+ (Uranyl ion) as impurities
No spectrum for the moment(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Images:
http://www.mindat.org/show.php?name=Thorogummite
http://webmineral.com/data/Thorogummite.shtml
Search for images on 'Google Image'
Search for documents in English on Google
Search for documents in any languages on Google