AM_Ferrosilite_11 Formula: Fe Si O3 Name: Ferrosilite Unit cell: 18.418 9.078 5.2366 90.0 90.0 90.0 , V=875.55 Space group: PBCA (61)

Sueno S , Cameron M , Prewitt C T , American Mineralogist , 61 (1976) p.38-53, Orthoferrosilite: High-temperature crystal chemistry, T = 24 deg C