Actinolite Evans B W, Yang H American Mineralogist 83 (1998) 458-475 Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: 11B, from Luce Lake, Labrador, Canada in an iron formation _database_code_amcsd 0001989 9.891 18.190 5.297 90 104.54 90 C2/m atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe1 0 .0888 .5 .564 .0022 .0003 .0050 0 .0012 0 Mn1 0 .0888 .5 .003 .0022 .0003 .0050 0 .0012 0 Mg1 0 .0888 .5 .433 .0022 .0003 .0050 0 .0012 0 Fe2 0 .1785 0 .500 .0021 .0003 .0047 0 .0008 0 Mn2 0 .1785 0 .008 .0021 .0003 .0047 0 .0008 0 Mg2 0 .1785 0 .490 .0021 .0003 .0047 0 .0008 0 Al2 0 .1785 0 .002 .0021 .0003 .0047 0 .0008 0 Fe3 0 0 0 .510 .0019 .0001 .0039 0 .0006 0 Mg3 0 0 0 .490 .0019 .0001 .0039 0 .0006 0 Fe4 0 .2767 .5 .062 .0029 .0007 .0094 0 .0030 0 Mn4 0 .2767 .5 .001 .0029 .0007 .0094 0 .0030 0 Ca4 0 .2767 .5 .919 .0029 .0007 .0094 0 .0030 0 Na4 0 .2767 .5 .018 .0029 .0007 .0094 0 .0030 0 Si1 .2797 .0839 .2936 .999 .0015 .0002 .0041 -.0001 .0006 0 Al1 .2797 .0839 .2936 .001 .0015 .0002 .0041 -.0001 .0006 0 Si2 .2891 .1702 .8013 .0016 .0002 .0041 -.0001 .0006 0 H .191 0 .736 .927 O1 .1125 .0872 .2144 .0015 .0003 .0058 0 .0001 0 O2 .1212 .1728 .7229 .0019 .0004 .0046 0 .0002 .0002 O3 .1117 0 .7148 .963 .0022 .0006 .0087 0 .0012 0 F3 .1117 0 .7148 .019 .0022 .0006 .0087 0 .0012 0 Cl3 .1117 0 .7148 .018 .0022 .0006 .0087 0 .0012 0 O4 .3673 .2458 .7912 .0028 .0003 .0089 -.0004 .0013 0 O5 .3452 .1324 .0935 .0024 .0004 .0058 0 .0005 .0008 O6 .3427 .1186 .5835 .0022 .0005 .0046 .0001 .0006 -.0006 O7 .3349 0 .2917 .0032 .0001 .0114 0 .0021 0