Clinochlore Brown B E, Bailey S W American Mineralogist 48 (1963) 42-61 Chlorite polytypism: II. Crystal structure of a one-layer Cr-chlorite Note: variety called kammererite _database_code_amcsd 0000119 5.338 9.247 14.435 90.0 97.08 90.0 C-1 atom x y z occ Mg1 0 0 0 Mg2 -.001 .333 .002 Mg3 .003 .166 .504 Mg4 0 .5 .5 .1 Al4 0 .5 .5 .2 Cr4 0 .5 .5 .7 Si1 .400 .001 .191 .6 Al1 .400 .001 .191 .4 Si2 .894 .167 .191 .9 Al2 .894 .167 .191 .1 O1 .360 -.004 .075 O2 .860 .171 .076 OH1 .381 .333 .074 O3 .133 .065 .232 O4 .645 .100 .232 O5 .931 .328 .234 OH2 .154 -.002 .432 OH3 .129 .339 .428 OH4 .653 .164 .428