DOUBTFULL FLUORESCENCE but cited by some authors
Chemical Formula: Ba(UO2)6O4(OH6)4-8H2O
Familly: Oxides and hydroxides
Status: IMA-GP
Crystal System: Orthorhombic
Mineral for Display: No
UV Type | Main color | Intensity | Observation Frequency |
---|---|---|---|
Long Waves (365nm): | Green | Weak | Short Waves (254 nm): | Greenish | Extremely weak |
Daylight Picture
BILLIETITE, Mina Eureka termino de Castell-estaó,
municipio de La Torre de Cabdella,
Lérida province, Spain;
Col. G.Barmarin; Photo: G. Barmarin
Long Waves Picture (365nm)
BILLIETITE, Mina Eureka termino de Castell-estaó,
municipio de La Torre de Cabdella,
Lérida province, Spain;
UVLW
Col. G.Barmarin; Photo: G. Barmarin
Short Waves Pictures (254nm)
BILLIETITE, Mina Eureka termino de Castell-estaó,
municipio de La Torre de Cabdella,
Lérida province, Spain;
UVSW
Col. G.Barmarin; Photo: G. Barmarin
Cited as non-fluorescent in the litterature ; identification of samples in collection to be verified.
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
Peaks in the spectrum (nm):
Large band peaking at 536nm ?
Col. G. Barmarin; Spectre: G. Barmarin
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
http://www.mindat.org/show.php?name=Billietite
http://webmineral.com/data/Billietite.shtml
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