Ilvaite Structure Data

Ilvaite Structure Data
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Ilvaite

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Ilvaite_32
Formula: Fe3 Ca Si2 O9 H
Name: Ilvaite
Unit cell: 13.0398 8.8217 5.8644 90.0 90.244 90.0 , V=674.59
Space group: P121/A1 (14)

Ghose S , Tsukimura K , Hatch D M , Physics and Chemistry of Minerals , 16 (1989) p.483-496, Phase transitions in ilvaite, a mixed-valence iron silicate, II. A single-crystal X-ray diffraction study and Landau theory of the, monoclinic to orthorhombic phase transition induced by charge delocalization, Sample: T = 320 K

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