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Here's another look at fluorine.
A newly-published paper reveals how highly-reactive fluorine gas has been found in nature due to a process that takes place within fluorite.
For all the basics on fluorine, check this out.
Fluorine has many interesting properties - to learn more, check out The Elements by Theodore Gray.

A different Periodic Video, Fluorine Gas found in nature (NEWS), explains to us how a mine in Germany contains CaF2 crystals that are not colorless (as they should be). If you break the crystals they produce, not only does it emit a terrible smell, they also contain tiny bubbles of fluorine gas (F2)!
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There are elements with very well known colors, such as gold or silver, but do you know the color of any other elements in the periodic table?
09/13/2013 • 
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