- Phengite
Phengite is a series name for dioctahedral
mica s of composition K(AlMg)2(OH)2(SiAl)4O10, similar tomuscovite but with addition ofmagnesium .References
* Glossary of Geology, Fifth Edition, Eds. K.K.E. Neiendorf, J.P. Mehl, J.A. Jackson, American Geological Institute, 2005
External links
* http://www.mindat.org/min-3189.html
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