AM_Almandine
Formula: Si3 Al2 Fe2.58 Mg.27 Ca.12 O12
Name: Almandine
Unit cell: 11.531 11.531 11.531 90.0 90.0 90.0 , V=1533.21
Space group: IA-3D (230)

Novak G A , Gibbs G V , American Mineralogist , 56 (1971) p.791-825, The crystal chemistry of the silicate garnets, sample Al