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Phylliosilicates
Sheet Structure

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Talc
Mg3Si4O10(OH2)
talc.JPG (42545 bytes)		 Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
muscovite.JPG (40569 bytes)
Biotite Mica
K(Fe,Mg)3AlSi3O10(F,OH)2		 Serpentine
(Mg,Fe)3Si2O5(OH)4
Chlorite
(Fe,Mg,Al)6(Si,Al)4O10(OH)8