AM_Pigeonite_62
Formula:
Ca.2 Fe1.12 Mg.68 Si2 O6
Name:
Pigeonite
Unit cell:
9.731 8.953 5.256 90.0 71.45 90.0 , V=434.12
Space group:
P121/C1 (14)
Morimoto N , Appleman D E , Evans H T , Zeitschrift fur Kristallographie , 114 (1960) p.120-147, The crystal structures of clinoenstatite and pigeonite, Locality: Asio Mine, Japan