AM_Clinohypersthene_7 Formula: Mg Si O3 Name: Clinohypersthene Unit cell: 9.869 9.059 5.334 90.0 109.91 90.0 , V=448.37 Space group: C12/C1 (15)

Shimobayashi N , Miyake A , Kitamura M , Miura E , Physics and Chemistry of Minerals , 28 (2001) p.591-599, Molecular dynamics simulations of the phase transition, between low-temperature and high-temperature clinoenstatites, Sample: from Smyth and Burnham, 1972