Aminoffite Huminicki D M C, Hawthorne F C The Canadian Mineralogist 40 (2002) 915-922 Refinement of the crystal structure of aminoffite _database_code_amcsd 0005773 9.809 9.809 9.844 90 90 90 *P4_2/n .25 .25 .25 atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca(1) .06286 .04403 .25852 .0096 .0111 .0099 .0079 .0043 -.0009 -.0025 Ca(2) .25 .75 .25956 .0070 .0075 .0067 .0068 .0004 0 0 Si(1) .03770 .76281 .02968 .0066 .0065 .0068 .0066 -.0006 -.0010 .0001 Si(2) .25 .25 .01020 .0063 .0063 .0057 .0069 .0000 0 0 Be .0371 .7674 .5268 .0093 .0071 .0127 .0082 .0003 .0020 -.0001 O(1) .3733 .6099 .0874 .0086 .0086 .0090 .0082 -.0016 .0002 .0003 O(2) .1054 .6243 .0934 .0088 .0079 .0097 .0088 .0026 .0004 .0007 O(3) .2328 .3865 .1010 .0080 .0094 .0061 .0084 -.0004 .0014 -.0004 O(4) .6185 .7272 .0903 .0092 .0058 .0136 .0083 -.0006 .0005 .0007 O(5) .7898 .4656 .1360 .0126 .0215 .0082 .0080 .0013 .0005 .0005 O(6) .9669 .2339 .1341 .0091 .0102 .0102 .0070 .0003 -.0006 -.0011 H .756 .548 .181 .0245