Chemical Formula: BaCa(CO3)2
Familly: Carbonates
Status: IMA-GP
Crystal System: Triclinic
Mineral for Display: No
Associated names (luminescent varieties, discredited names, synonymes etc.): bromlite,UV Type | Main color | Intensity | Observation Frequency |
---|---|---|---|
Long Waves (365nm): | Orangy yellow | Weak | Short Waves (254 nm): | Yellowish White | Weak |
Other colors LW: | Yellowish White , Pale Yellow , Yellow , Yellowish , | ||
Other colors SW: | Pale Yellow , Yellowish , |
Daylight Picture
ALSTONITE, Alston Moor, Cumberland, England;
Col. G.Barmarin; Photo: G. Barmarin
Long Waves Picture (365nm)
ALSTONITE, Alston Moor, Cumberland, England;
UVLW
Col. G.Barmarin; Photo: G. Barmarin
Short Waves Pictures (254nm)
ALSTONITE, Alston Moor, Cumberland, England;
UVSW
Col. G.Barmarin; Photo: G. Barmarin
Synonyme: bromlite
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
http://www.mindat.org/show.php?name=Alstonite
http://webmineral.com/data/Alstonite.shtml
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