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All Minerals

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Biotite

Formula: K(Mg, Fe)3AlSi₃O10(F, OH)2

A mica mineral.

Related Information

Links

Materials	Mica
URLs	http://en.wikipedia.org/wiki/Biotite Biotite at Wikipedia
URLs	http://www.handbookofmineralogy.org/pdfs/Biotite.pdf Biotite mineralogy information

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