Phengite

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Phengite is a series name for dioctahedral micas of composition K(AlMg)₂(OH)₂(SiAl)₄O₁₀, similar to muscovite but with addition of Mg.

[edit] References

• Glossary of Geology, Fifth Edition, Eds. K.K.E. Neiendorf, J.P. Mehl, J.A. Jackson, American Geological Institute, 2005

[edit] External links

• http://www.mindat.org/min-3189.html