AM_Forsterite_5
Formula: Si Mg1.38 Fe.61 Ca.01 O4
Name: Forsterite
Unit cell: 4.785 10.298 6.028 90.0 90.0 90.0 , V=297.04
Space group: PBNM (62)

Brown G E , Prewitt C T , American Mineralogist , 58 (1973) p.577-587, High-temperature crystal chemistry of hortonolite, sample #12052 at T = 24 C, Note: variety hortonolite