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: 12BA, from Bloom Lake, Quebec, Canada in an iron formation _database_code_amcsd 0001993 9.886 18.171 5.297 90 104.61 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 .0886 .5 .553 .0022 .0004 .0055 0 .0013 0 Mn1 0 .0886 .5 .006 .0022 .0004 .0055 0 .0013 0 Mg1 0 .0886 .5 .441 .0022 .0004 .0055 0 .0013 0 Fe2 0 .1784 0 .488 .0019 .0004 .0057 0 .0009 0 Mn2 0 .1784 0 .012 .0019 .0004 .0057 0 .0009 0 Mg2 0 .1784 0 .499 .0019 .0004 .0057 0 .0009 0 Ti2 0 .1784 0 .001 .0019 .0004 .0057 0 .0009 0 Fe3 0 0 0 .515 .0021 .0004 .0046 0 .0010 0 Mg3 0 0 0 .485 .0021 .0004 .0046 0 .0010 0 Fe4 0 .2767 .5 .057 .0030 .0009 .0102 0 .0029 0 Mn4 0 .2767 .5 .002 .0030 .0009 .0102 0 .0029 0 Mg4 0 .2767 .5 .015 .0030 .0009 .0102 0 .0029 0 Ca4 0 .2767 .5 .912 .0030 .0009 .0102 0 .0029 0 Na4 0 .2767 .5 .014 .0030 .0009 .0102 0 .0029 0 Si1 .2801 .0839 .2941 .980 .0016 .0004 .0048 -.0001 .0008 -.0001 Al1 .2801 .0839 .2941 .020 .0016 .0004 .0048 -.0001 .0008 -.0001 Si2 .2891 .1704 .8015 .0018 .0004 .0048 -.0002 .0011 0 NaA(m) .059 .5 .052 .046 KA(m) .059 .5 .052 .008 H .205 0 .736 .940 O1 .1120 .0869 .2137 .0017 .0005 .0074 0 .0012 0 O2 .1205 .1728 .7221 .0018 .0006 .0067 -.0002 .0004 -.0001 O3 .1111 0 .7136 .0022 .0007 .0069 0 .0010 0 O4 .3669 .2462 .7917 .0033 .0005 .0095 -.0005 .0016 0 O5 .3451 .1328 .0936 .0025 .0007 .0063 -.0001 .0014 .0005 O6 .3426 .1187 .5845 .0023 .0007 .0060 0 .0009 -.0005 O7 .3347 0 .2912 .0030 .0004 .0128 0 .0025 0