NOT FLUORESCENT but cited by some authors
DOUBTFULL FLUORESCENCE but cited by some authors
Chemical Formula: Ca(UO2)6O4(OH)6 8H2O
Familly: Oxides and hydroxides
Status: IMA-GP
Mineral for Display: No
UV Type | Main color | Intensity | Observation Frequency |
---|---|---|---|
Long Waves (365nm): | Green | Very weak | Short Waves (254 nm): | Green | Very weak |
UV Type | Color | Intensity | Observation Frequency |
---|---|---|---|
Long Wave (365nm): | None by naked eye |
To be checked;
Sources diverge for luminescence. Usually cited as non-fluorescent at room temperature in the litterature.
Spectra in Liquid Nitrogen (Gorobets): 18550 cm-1, 17920 cm-1, 17390 cm-1 ;
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
Peaks in the spectrum (nm):
518.9, 535.6, 553.4, 578.9 (In liquid Nitrogen)
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
http://www.mindat.org/show.php?name=Becquerelite
http://webmineral.com/data/Becquerelite.shtml
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