Olivine_5 Formula: (Co1.735 Mg.265) Si O4 Name: Olivine Unit cell: 4.78 10.29 5.997 90.0 90.0 90.0 , V=294.97 Space group: PBNM (62)
Miyake M , Nakamura H , Kojima H , Marumo F , American Mineralogist , 72 (1987) p.594-598, Cation ordering in Co-Mg olivine solid-solution series, Sample: Co18