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: C28, 11B, from Luce Lake, Labrador, Canada in an iron formation after heating at 700 C _database_code_amcsd 0001991 9.891 18.200 5.296 90 104.55 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 .0885 .5 .534 .0021 .0003 .0054 0 .0011 0 Mn1 0 .0885 .5 .004 .0021 .0003 .0054 0 .0011 0 Mg1 0 .0885 .5 .462 .0021 .0003 .0054 0 .0011 0 Fe2 0 .1784 0 .534 .0018 .0003 .0059 0 .0010 0 Mn2 0 .1784 0 .010 .0018 .0003 .0059 0 .0010 0 Mg2 0 .1784 0 .456 .0018 .0003 .0059 0 .0010 0 Fe3 0 0 0 .483 .0018 .0003 .0047 0 .0006 0 Mg3 0 0 0 .517 .0018 .0003 .0047 0 .0006 0 Fe4 0 .2765 .5 .068 .0028 .0008 .0099 0 .0030 0 Mn4 0 .2765 .5 .001 .0028 .0008 .0099 0 .0030 0 Mg4 0 .2765 .5 .021 .0028 .0008 .0099 0 .0030 0 Ca4 0 .2765 .5 .890 .0028 .0008 .0099 0 .0030 0 Na4 0 .2765 .5 .020 .0028 .0008 .0099 0 .0030 0 Si1 .2801 .0838 .2934 .995 .0016 .0003 .0044 0 .0006 0 Al1 .2801 .0838 .2934 .005 .0016 .0003 .0044 0 .0006 0 Si2 .2891 .1701 .8009 .0016 .0003 .0044 -.0001 .0006 0 NaA(m) .052 .5 .069 .018 KA(m) .052 .5 .069 .006 H .191 0 .751 .940 O1 .1121 .0869 .2143 .0015 .0004 .0072 -.0001 .0006 -.0002 O2 .1207 .1725 .7217 .0017 .0006 .0067 -.0001 .0005 .0001 O3 .1109 0 .7135 .959 .0027 .0005 .0064 0 .0011 0 F3 .1109 0 .7135 .023 .0027 .0005 .0064 0 .0011 0 Cl3 .1109 0 .7135 .018 .0027 .0005 .0064 0 .0011 0 O4 .3667 .2461 .7911 .0030 .0004 .0086 -.0004 .0009 0 O5 .3455 .1327 .0940 .0021 .0006 .0067 -.0001 .0012 .0006 O6 .3431 .1184 .5837 .0020 .0007 .0056 0 .0009 -.0007 O7 .3349 0 .2914 .0026 .0003 .0116 0 .0013 0