AM_Forsterite_4 Formula: Si (Mg1.42 Fe.58) O4 Name: Forsterite Unit cell: 4.775 10.28 6.016 90.0 90.0 90.0 , V=295.31 Space group: PBNM (62)

Brown G E , Prewitt C T , American Mineralogist , 58 (1973) p.577-587, High-temperature crystal chemistry of hortonolite, sample #OG2B at T = 24 C, Note: variety hortonolite