AM_Forsterite_24 Formula: Mg1.03 Mn.97 Si O4 Name: Forsterite Unit cell: 4.794 10.491 6.123 90.0 90.0 90.0 , V=307.95 Space group: PBNM (62)

Francis C A , Ribbe P H , American Mineralogist , 65 (1980) p.1263-1269, The forsterite-tephroite series: I. Crystal structure refinements, Sample: Fo51 olivine, Locality: Langban, Sweden