Potassic-arfvedsonite [ KNa2(FeII4FeIII)Si8O22(OH)2 ]

Material properties

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Crystal symmetry Monoclinic, Point group 2/m, Space group C2/m (#12)
Tags Mineral, Silicate , Hydroxide

Composition

Element Atoms
K 1
H 2
Si 8
Na 2
O 24
Fe 5
Total: 42