Ashburtonite Grice J D, Nickel E H, Gault R A American Mineralogist 76 (1991) 1701-1707 Ashburtonite, a new bicarbonate-silicate mineral from Ashburton Downs, Western Australia: Description and structure determination _database_code_amcsd 0001412 14.234 14.234 6.103 90 90 90 I4/m atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Si .1167 .1064 .5 .0086 .0058 .0086 -.0008 0 0 Cu .25 .25 .25 .0148 .0104 .0112 -.0074 .0022 -.0014 Pb .21321 .03767 0 .0168 .008 .0151 -.0001 0 0 C .438 .859 0 .021 .068 .049 -.01 0 0 O1 .1637 .1455 .7245 .008 .009 .016 -.006 -.004 .004 O2 .3027 .1805 0 .004 .013 .013 -.001 0 0 O3 .0062 .1305 .5 .003 .029 .026 -.001 0 0 O4 .3505 .8641 0 .062 .062 .067 -.011 0 0 O5 .4839 .8556 .1782 .057 .081 .102 -.005 -.018 .023 Cl 0 0 0 .016 .016 .022 0 0 0