Chemical Formula:
Status: NA
Mineral for Display: Yes
UV Type | Main color | Intensity | Observation Frequency |
---|---|---|---|
Long Waves (365nm): | Yellowish White | Mid waves (320 nm): | Yellowish White | Short Waves (254 nm): | Yellowish White |
Other colors LW: | Bluish White , Pale Yellow , Greenish white , | ||
Other colors MW: | Bluish White , Pale Yellow , Greenish white , | ||
Other colors SW: | Bluish White , Pale Yellow , Yellowish Green , Greenish white , |
Most fossils are composed of calcite, aragonite or crytocrystalline quartz (chalcedony) or even opal. All these species can be fluorescent and form beautiful samples of fluorescent fossils: mollusk shells filled with calcite crystals, fossil corals with very decorative patterns, silicified wood, internal turret molding in chalcedony, belémnite in calcite / aragonite or in opal, etc. .
Most Common Activator: Organic impurities
Other activators: (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
http://www.mindat.org/show.php?name=Fossils
http://webmineral.com/data/Fossils.shtml
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