AM_Majorite
Formula: Mg3.511 Ca.489 Si4 O12
Name: Majorite
Unit cell: 11.5816 11.5816 11.5288 90.0 90.0 90.0 , V=1546.40
Space group: I141/A1 (1)

Hazen R M , Downs R T , Finger L W , Conrad P G , Gasparik T , American Mineralogist , 79 (1994) p.581-584, Crystal chemistry of Ca-bearing majorite