IMA2008-059.406 Formula: Si Al2 Ca O6 Name: IMA2008-059 Unit cell: 9.609 8.652 5.274 90.0 106.06 90.0 , V=421.35 Space group: C2/c (15)
Okamura F P , Ghose S , Ohashi H , American Mineralogist , 59 (1974) p.549-557, Structure and crystal chemistry of calcium Tschermak s pyroxene, CaAlAlSiO6