AM_Clinohypersthene_3
Formula: Mg.636 Fe1.332 Ca.032 Si2 O6
Name: Clinohypersthene
Unit cell: 9.762 9.046 5.268 90.0 109.16 90.0 , V=439.43
Space group: P121/C1 (14)

Smyth J R , American Mineralogist , 59 (1974) p.1069-1082, The high temperature crystal chemistry of clinohypersthene, T = 600 C