Pyrosmalite-(Mn) Kashaev A A Soviet Physics Crystallography 12 (1968) 923-924 The crystal structure of pyrosmalite Locality: Central Kazakhstan _database_code_amcsd 0018491 13.37 13.37 7.11 90 90 120 P-3m1 atom x y z Mn1 0 0 0 Mn2 .25 0 0 Mn3 .25 .75 0 Mn4 .5 0 0 Si .097 .430 .393 O1 .083 .417 .155 O2 .354 0 .5 O3 .208 .792 .465 O4 .431 .569 .465 OH1 .083 .917 .155 OH2 .833 .167 .155 OH3 .583 .417 .155 Cl 1/3 2/3 .150