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: C41, 11B, from Luce Lake, Labrador, Canada in an iron formation after heating at 800 C _database_code_amcsd 0001992 9.890 18.192 5.294 90 104.53 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 .536 .0019 .0003 .0053 0 .0010 0 Mn1 0 .0886 .5 .003 .0019 .0003 .0053 0 .0010 0 Mg1 0 .0886 .5 .461 .0019 .0003 .0053 0 .0010 0 Fe2 0 .1784 0 .534 .0016 .0003 .0055 0 .0009 0 Mn2 0 .1784 0 .009 .0016 .0003 .0055 0 .0009 0 Mg2 0 .1784 0 .455 .0016 .0003 .0055 0 .0009 0 Al2 0 .1784 0 .002 .0016 .0003 .0055 0 .0009 0 Fe3 0 0 0 .483 .0016 .0002 .0045 0 .0005 0 Mg3 0 0 0 .517 .0016 .0002 .0045 0 .0005 0 Fe4 0 .2765 .5 .067 .0025 .0008 .0093 0 .0029 0 Mn4 0 .2765 .5 .001 .0025 .0008 .0093 0 .0029 0 Mg4 0 .2765 .5 .018 .0025 .0008 .0093 0 .0029 0 Ca4 0 .2765 .5 .891 .0025 .0008 .0093 0 .0029 0 Na4 0 .2765 .5 .023 .0025 .0008 .0093 0 .0029 0 Si1 .2800 .0838 .2931 .997 .0013 .0003 .0042 0 .0005 0 Al1 .2800 .0838 .2931 .003 .0013 .0003 .0042 0 .0005 0 Si2 .2892 .1701 .8009 .0014 .0003 .0043 -.0001 .0005 0 NaA(m) .033 .5 .067 .014 KA(m) .033 .5 .067 .002 H .198 0 .769 .938 O1 .1121 .0869 .2144 .0014 .0004 .0066 -.0001 .0008 .0001 O2 .1207 .1726 .7213 .0016 .0005 .0065 0 .0005 -.0001 O3 .1108 0 .7134 .956 .0024 .0006 .0072 0 .0014 0 F3 .1108 0 .7134 .024 .0024 .0006 .0072 0 .0014 0 Cl3 .1108 0 .7134 .020 .0024 .0006 .0072 0 .0014 0 O4 .3667 .2462 .7908 .0027 .0005 .0082 -.0005 .0010 -.0001 O5 .3453 .1327 .0938 .0018 .0007 .0055 0 .0005 .0008 O6 .3429 .1184 .5835 .0018 .0008 .0049 0 .0005 -.0007 O7 .3350 0 .2907 .0022 .0003 .0116 0 .0010 0