AM_Forsterite_39 Formula: Si (Mg1.804 Fe.196) O4 Name: Forsterite Unit cell: 4.7651 10.2385 5.9983 90.0 90.0 90.0 , V=292.64 Space group: PBNM (62)

Liang J , Hawthorne F C , The Canadian Mineralogist , 32 (1994) p.541-552, Characterization of fine-grained mixtures of rock-forming minerals by Rietveld, structure refinement: olivine + pyroxene, Sample: P5 Rietveld, 49.9% olivine