Chloritoid Koch-Muller M, Abs-Wurmbach I, Langer K, Shaw C, Wirth R, Gottschalk M European Journal of Mineralogy 12 (2000) 293-314 Synthetic and natural Fe-Mg chloritoid: structural, spectroscopic and thermodynamic studies Sample: RO2 _database_code_amcsd 0006829 9.451 5.4674 18.159 90 101.4 90 C2/c atom x y z occ AlM1A .25 .25 0 .985 FeM1A .25 .25 0 .015 AlM2A 0 .4261 .25 FeM1B .0850 .7401 .0034 .43 MgM1B .0850 .7401 .0034 .56 AlM2B1 .2533 .6524 .2485 SiT .4669 .4036 .1602 OH1A .1146 .3987 .0540 OH1B .2616 .9346 .0461 O1C .4321 .4135 .0681 O2A .3966 .1689 .1963 O2B .3970 .6382 .1965 O2C .1418 .8910 .1915 O2D .1481 .4145 .1990