AM_Ca2CoSi2O7_6 Formula: Co Ca2 Si2 O7 Name: Ca2CoSi2O7 Unit cell: 7.8656 7.8656 5.0289 90.0 90.0 90.0 , V=311.13 Space group: P-421M (113)
Kusaka K , Hagiya K , Ohmasa M , Okano Y , Mukai M , Iishi K , Haga N , Physics and Chemistry of Minerals , 28 (2001) p.150-166, Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7, in incommensurate and normal phases and observation of diffuse streaks at high temperature, Sample: T = 573 K, Melilite group