Grossular Arni R, Langer K, Tillmanns E Physics and Chemistry of Minerals 12 (1985) 279-282 Mn3+ in garnets III. Absence of Jahn-Teller distortion in synthetic Mn3+ -bearing garnet _database_code_amcsd 0007369 11.867 11.867 11.867 90 90 90 Ia3d atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CaX .125 0 .25 .81 .0051 .0091 .0091 0 0 .0030 MnX .125 0 .25 .19 .0051 .0091 .0091 0 0 .0030 AlY 0 0 0 .64 .0047 .0047 .0047 .0001 .0001 .0001 MnY 0 0 0 .36 .0047 .0047 .0047 .0001 .0001 .0001 Si .375 0 .25 .0082 .0073 .0073 0 0 0 O .0374 .0470 .6532 .009 .008 .009 .0010 .0005 .0001