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: NMNH 156831, from Green Monster Mine, Alaska in uralite from cpx _database_code_amcsd 0001987 9.881 18.139 5.298 90 104.78 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 .0884 .5 .324 .0026 .0005 .0049 0 .0014 0 Mn1 0 .0884 .5 .008 .0026 .0005 .0049 0 .0014 0 Mg1 0 .0884 .5 .668 .0026 .0005 .0049 0 .0014 0 Fe2 0 .1777 0 .289 .0021 .0005 .0059 0 .0011 0 Mn2 0 .1777 0 .017 .0021 .0005 .0059 0 .0011 0 Mg2 0 .1777 0 .653 .0021 .0005 .0059 0 .0011 0 Al2 0 .1777 0 .041 .0021 .0005 .0059 0 .0011 0 Ti2 0 .1777 0 .001 .0021 .0005 .0059 0 .0011 0 Fe3 0 0 0 .296 .0021 .0004 .0042 0 .0010 0 Mg3 0 0 0 .704 .0021 .0004 .0042 0 .0010 0 Fe4 0 .2780 .5 .008 .0029 .0006 .0085 0 .0029 0 Mn4 0 .2780 .5 .001 .0029 .0006 .0085 0 .0029 0 Mg4 0 .2780 .5 .009 .0029 .0006 .0085 0 .0029 0 Ca4 0 .2780 .5 .961 .0029 .0006 .0085 0 .0029 0 Na4 0 .2780 .5 .023 .0029 .0006 .0085 0 .0029 0 Si1 .2800 .0841 .2962 .972 .0013 .0003 .0027 0 .0006 -.0001 Al1 .2800 .0841 .2962 .028 .0013 .0003 .0027 0 .0006 -.0001 Si2 .2889 .1710 .8042 .0016 .0004 .0030 -.0001 .0007 -.0001 NaA(m) .010 .5 .084 .003 KA(m) .010 .5 .084 .005 H .218 0 .763 .960 O1 .1115 .0868 .2153 .0018 .0005 .0043 0 .0009 -.0001 O2 .1195 .1724 .7239 .0017 .0005 .0060 0 .0008 .0001 O3 .1107 0 .7148 .0025 .0005 .0062 0 .0014 0 O4 .3663 .2470 .7926 .0026 .0005 .0071 -.0002 .0018 -.0002 O5 .3456 .1339 .0986 .0021 .0007 .0052 .0001 .0010 .0007 O6 .3429 .1190 .5878 .0022 .0006 .0044 .0002 .0007 -.0005 O7 .3352 0 .2909 .0023 .0004 .0095 0 .0016 0