Amesite Zheng H, Bailey S W Clays and Clay Minerals 45 (1997) 301-310 Refinement of an amesite-2H1 polytype from Postmasburg, South Africa Note: polytype 2H1 Locality: Postmasburg, South Africa _database_code_amcsd 0018811 5.299 9.181 14.050 90.06 90.30 90.00 C1 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) MgM1 .1699 .1695 .2341 .87 .0076 .007 .007 .009 -.0012 .0005 .0006 AlM1 .1699 .1695 .2341 .13 .0076 .007 .007 .009 -.0012 .0005 .0006 AlM2 .6663 .0007 .2341 .62 .0092 .008 .008 .011 -.0017 .0004 .0007 MgM2 .6663 .0007 .2341 .38 .0092 .008 .008 .011 -.0017 .0004 .0007 MgM3 .6697 .3322 .2345 .85 .0082 .007 .007 .010 -.0013 .0006 .0007 AlM3 .6697 .3322 .2345 .15 .0082 .007 .007 .010 -.0013 .0006 .0007 SiT1 .5000 .1667 .0383 .72 .0084 .007 .007 .011 -.0031 .0012 .0008 AlT1 .5000 .1667 .0383 .28 .0084 .007 .007 .011 -.0031 .0012 .0008 AlT2 .0012 .3360 .0388 .72 .011 .009 .010 .013 -.0035 .0010 .0010 SiT2 .0012 .3360 .0388 .28 .011 .009 .010 .013 -.0035 .0010 .0010 O1 .497 .1632 .1582 .008 .007 .007 .008 -.001 .000 .000 O2 -.003 .3375 .1614 .011 .010 .011 .011 .000 .000 .000 O3 .584 .0036 -.0023 .016 .016 .016 .017 .000 .001 .000 O4 .215 .212 -.0036 .016 .016 .016 .017 -.001 .000 .001 O5 .707 .292 .0017 .020 .020 .020 .021 -.001 .000 .001 Oh1 -.011 -.001 .1615 .011 .011 .011 .012 .000 .000 .000 Oh2 .330 -.003 .3030 .024 .0242 .0245 .0239 .000 .000 .000 Oh3 .326 .336 .3029 .022 .022 .023 .022 .000 .000 .000 Oh4 -.173 .159 .303 .018 .018 .018 .017 .000 .000 .000 AlM11 .3406 .3348 .7342 .50 .0081 .008 .007 .010 -.0019 .0004 .0005 MgM11 .3406 .3348 .7342 .50 .0081 .008 .007 .010 -.0019 .0004 .0005 MgM22 .3430 .0030 .7345 .90 .0089 .007 .009 .010 -.0015 -.0002 .0007 AlM22 .3430 .0030 .7345 .10 .0089 .007 .009 .010 -.0015 -.0002 .0007 AlM33 .8409 .1706 .7343 .50 .0081 .007 .007 .010 -.0022 .0004 .0003 MgM33 .8409 .1706 .7343 .50 .0081 .007 .007 .010 -.0022 .0004 .0003 AlT11 .5097 .1706 .5390 .72 .012 .012 .011 .014 -.0032 .0010 .0010 SiT11 .5097 .1706 .5390 .28 .012 .012 .011 .014 -.0032 .0010 .0010 SiT22 .0083 .3344 .5386 .72 .010 .010 .010 .012 -.0021 .0006 .0005 AlT22 .0083 .3344 .5386 .28 .010 .010 .010 .012 -.0021 .0006 .0005 Oll .519 .178 .662 .012 .012 .011 .012 -.002 .000 .001 O22 .018 .333 .6581 .014 .013 .014 .014 .000 .000 .000 O33 .429 .0003 .5001 .014 .014 .014 .015 .000 .000 .001 O44 .290 .290 .4960 .015 .015 .015 .016 .000 .000 .000 O55 .799 .213 .4972 .022 .022 .022 .022 .000 .000 .000 Ohll .007 .004 .6627 .013 .013 .014 .014 .000 .000 .000 Oh22 .179 .177 .8037 .019 .019 .019 .019 .000 .000 .000 Oh33 .191 .505 .8040 .015 .015 .015 .015 -.001 .000 .000 Oh44 .677 .333 .8047 .018 .018 .018 .017 -.001 .000 .000 H1 .984 .998 .089 H2 .353 .969 .371 H3 .308 .325 .374 H4 .846 .169 .378 H11 .006 .004 .588 H22 .190 .197 .876 H33 .162 .505 .878 H44 .685 .315 .876