Siderophyllite

Properties

Formula KFeII2Al(Si2Al2)O10(OH)2
Abbreviation Sid
Classification Biotite
IMA Status Approved (IMA 1998 s.p.)
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Tags Hydroxide , Mineral, Aluminosilicate

Composition

Element Atoms
K 1
Si 2
O 12
H 2
Fe 2
Al 3
Total: 22