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: C59, AMNH 44973, from Cumberland, Rhode Island in a quartzite after heating at 700 C _database_code_amcsd 0001996 9.890 18.194 5.306 90 104.62 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 .557 .0020 .0004 .0050 0 .0009 0 Mn1 0 .0888 .5 .041 .0020 .0004 .0050 0 .0009 0 Mg1 0 .0888 .5 .402 .0020 .0004 .0050 0 .0009 0 Fe2 0 .1784 0 .516 .0017 .0004 .0055 0 .0008 0 Mn2 0 .1784 0 .110 .0017 .0004 .0055 0 .0008 0 Mg2 0 .1784 0 .335 .0017 .0004 .0055 0 .0008 0 Al2 0 .1784 0 .037 .0017 .0004 .0055 0 .0008 0 Ti2 0 .1784 0 .003 .0017 .0004 .0055 0 .0008 0 Fe3 0 0 0 .541 .0017 .0003 .0043 0 .0005 0 Mg3 0 0 0 .459 .0017 .0003 .0043 0 .0005 0 Fe4 0 .2767 .5 .068 .0028 .0009 .0095 0 .0031 0 Mn4 0 .2767 .5 .017 .0028 .0009 .0095 0 .0031 0 Mg4 0 .2767 .5 .023 .0028 .0009 .0095 0 .0031 0 Ca4 0 .2767 .5 .868 .0028 .0009 .0095 0 .0031 0 Na4 0 .2767 .5 .024 .0028 .0009 .0095 0 .0031 0 Si1 .2803 .0840 .2941 .948 .0013 .0003 .0041 .0000 .0003 .0000 Al1 .2803 .0840 .2941 .052 .0013 .0003 .0041 .0000 .0003 .0000 Si2 .2896 .1703 .8018 .0014 .0003 .0040 -.0001 .0003 .0000 NaA(m) .025 .5 .063 .064 KA(m) .025 .5 .063 .012 H .197 0 .734 .947 O1 .1117 .0868 .2149 .0017 .0006 .0063 -.0001 .0007 .0000 O2 .1209 .1729 .7221 .0016 .0006 .0067 .0000 .0003 .0000 O3 .1106 0 .7136 .976 .0022 .0006 .0081 0 .0009 0 F3 .1106 0 .7136 .024 .0022 .0006 .0081 0 .0009 0 O4 .3670 .2464 .7901 .0029 .0005 .0094 -.0004 .0010 .0000 O5 .3455 .1336 .0951 .0020 .0008 .0062 .0001 .0006 .0009 O6 .3432 .1184 .5861 .0021 .0008 .0065 .0000 .0006 -.0008 O7 .3351 0 .2887 .0022 .0004 .0138 0 .0007 0