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: AMNH 44973, from Cumberland, Rhode Island in a quartzite _database_code_amcsd 0001995 9.884 18.189 5.302 90 104.60 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 .0019 .0004 .0059 0 .0008 0 Mn1 0 .0888 .5 .045 .0019 .0004 .0059 0 .0008 0 Mg1 0 .0888 .5 .398 .0019 .0004 .0059 0 .0008 0 Fe2 0 .1785 0 .485 .0016 .0004 .0059 0 .0006 0 Mn2 0 .1785 0 .096 .0016 .0004 .0059 0 .0006 0 Mg2 0 .1785 0 .392 .0016 .0004 .0059 0 .0006 0 Al2 0 .1785 0 .025 .0016 .0004 .0059 0 .0006 0 Ti2 0 .1785 0 .002 .0016 .0004 .0059 0 .0006 0 Fe3 0 0 0 .555 .0018 .0003 .0053 0 .0004 0 Mg3 0 0 0 .445 .0018 .0003 .0053 0 .0004 0 Fe4 0 .2770 .5 .059 .0029 .0008 .0115 0 .0031 0 Mn4 0 .2770 .5 .017 .0029 .0008 .0115 0 .0031 0 Mg4 0 .2770 .5 .012 .0029 .0008 .0115 0 .0031 0 Ca4 0 .2770 .5 .886 .0029 .0008 .0115 0 .0031 0 Na4 0 .2770 .5 .026 .0029 .0008 .0115 0 .0031 0 Si1 .2804 .0840 .2942 .939 .0012 .0003 .0054 .0000 .0002 -.0001 Al1 .2804 .0840 .2942 .061 .0012 .0003 .0054 .0000 .0002 -.0001 Si2 .2896 .1704 .8022 .0015 .0004 .0053 -.0001 .0003 .0000 NaA(m) .042 .5 .103 .070 KA(m) .042 .5 .103 .011 H .191 0 .784 .918 O1 .1117 .0874 .2141 .0015 .0006 .0078 -.0002 .0005 .0000 O2 .1206 .1732 .7233 .0017 .0006 .0081 -.0001 .0005 -.0001 O3 .1107 0 .7135 .976 .0019 .0006 .0077 0 .0006 0 F3 .1107 0 .7135 .024 .0019 .0006 .0077 0 .0006 0 O4 .3670 .2465 .7904 .0028 .0006 .0092 -.0005 .0009 .0000 O5 .3455 .1335 .0945 .0017 .0009 .0082 .0001 .0007 .0010 O6 .3430 .1188 .5857 .0020 .0008 .0071 .0000 .0007 -.0007 O7 .3354 0 .2909 .0022 .0004 .0134 0 .0006 0