Chondrodite Gibbs G V, Ribbe P H, Anderson C P American Mineralogist 55 (1970) 1182-1194 The crystal structures of the humite minerals. II. Chondrodite _database_code_amcsd 0000208 4.7284 10.2539 7.8404 109.059 90 90 P2_1/b atom x y z occ Biso Mg1 .5 0 .5 .95 .49 Fe1 .5 0 .5 .05 .49 Mg2 .0091 .1731 .3055 .45 Mg3 .4915 .8867 .0791 .43 Si .0768 .1441 .7038 .20 O1 .7787 .0009 .2937 .36 O2 .7280 .2404 .1252 .40 O3 .2255 .1682 .5275 .35 O4 .2649 .8546 .2943 .42 OH .2656 .0582 .1018 .35 .50 F .2656 .0582 .1018 .65 .50