AM_Forsterite_3 Formula: Si Mg1.64 Fe.35 Ca.01 O4 Name: Forsterite Unit cell: 4.771 10.274 6.011 90.0 90.0 90.0 , V=294.64 Space group: PBNM (62)

Brown G E , Prewitt C T , American Mineralogist , 58 (1973) p.577-587, High-temperature crystal chemistry of hortonolite, sample #12018 at T = 24 C, Note: variety hortonolite