Congolite Mendoza-Alvarez M E, Yvon K, Depmeier W, Schmid H Acta Crystallographica C41 (1985) 1551-1552 Structure refinement of trigonal iron-chlorine boracite Locality: synthetic _database_code_amcsd 0019541 8.6231 8.6231 21.0503 90 90 120 R3c atom x y z Uiso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe .14727 .29642 .3270 .00692 .00202 .00289 .00035 .00146 .00017 .00040 Cl 0 0 .26630 .01217 .00375 .00375 .00068 .00188 0 0 Bl .1636 -.1655 .08261 .0048 .0015 .0017 .00029 .0011 .00007 -.00008 B2 .1002 -.1027 -.02895 .0045 .0012 .0016 .00024 .0006 .00001 .00001 B3 0 0 .1018 .0061 .0018 .0018 .00036 .0009 0 0 O1 0 0 -.01215 .0039 .00110 .00110 .00024 .00055 0 0 O21 -.1593 -.0008 .10509 .0050 .00079 .00137 .00036 .00034 .00006 -.00009 O22 .2888 .2591 -.03720 .0046 .00114 .00154 .00025 .00057 .00007 -.00012 O23 .2003 -.0231 -.08789 .0043 .00155 .00121 .00016 .00030 .00011 -.00001 O24 -.3045 -.2246 .02118 .0046 .00175 .00120 .00020 .00048 .00012 .00000