AM_Garnet_1
Formula: Fe1.89 Ca.75 Mg.24 Mn.09 Al2 Si3 O12
Name: Garnet
Unit cell: 11.6207 11.6207 11.623 90.0 90.0 90.0 , V=1569.58
Space group: I41/ACD (142)

Griffen D T , Hatch D M , Phillips W R , Kulaksiz S , American Mineralogist , 77 (1992) p.399-406, Crystal chemistry and symmetry of a birefringent tetragonal, pyralspite75-grandite25 garnet