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: C46, 11B, from Luce Lake, Labrador, Canada in an iron formation after heating at 600 C _database_code_amcsd 0001990 9.890 18.198 5.296 90 104.57 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 .527 .0019 .0004 .0045 0 .0010 0 Mn1 0 .0885 .5 .003 .0019 .0004 .0045 0 .0010 0 Mg1 0 .0885 .5 .470 .0019 .0004 .0045 0 .0010 0 Fe2 0 .1784 0 .526 .0016 .0004 .0050 0 .0008 0 Mn2 0 .1784 0 .009 .0016 .0004 .0050 0 .0008 0 Mg2 0 .1784 0 .465 .0016 .0004 .0050 0 .0008 0 Fe3 0 0 0 .479 .0017 .0003 .0042 0 .0006 0 Mg3 0 0 0 .521 .0017 .0003 .0042 0 .0006 0 Fe4 0 .2767 .5 .063 .0025 .0009 .0087 0 .0028 0 Mn4 0 .2767 .5 .001 .0025 .0009 .0087 0 .0028 0 Mg4 0 .2767 .5 .016 .0025 .0009 .0087 0 .0028 0 Ca4 0 .2767 .5 .885 .0025 .0009 .0087 0 .0028 0 Na4 0 .2767 .5 .035 .0025 .0009 .0087 0 .0028 0 Si1 .2800 .0839 .2934 .996 .0014 .0003 .0035 0 .0006 -.0001 Al1 .2800 .0839 .2934 .004 .0014 .0003 .0035 0 .0006 -.0001 Si2 .2892 .1702 .8012 .0015 .0004 .0037 -.0002 .0005 .0000 NaA(m) .034 .5 .076 .021 KA(m) .034 .5 .076 .002 H .198 0 .749 .939 O1 .1120 .0870 .2145 .0015 .0005 .0057 -.0001 .0007 0 O2 .1205 .1726 .7216 .0016 .0005 .0058 0 .0006 -.0001 O3 .1109 0 .7140 .959 .0022 .0006 .0064 0 .0012 0 F3 .1109 0 .7140 .023 .0022 .0006 .0064 0 .0012 0 Cl3 .1109 0 .7140 .018 .0022 .0006 .0064 0 .0012 0 O4 .3669 .2463 .7908 .0027 .0005 .0087 -.0004 .0008 .0001 O5 .3452 .1328 .0941 .0019 .0007 .0048 0 .0008 .0007 O6 .3427 .1186 .5838 .0020 .0008 .0047 0 .0007 -.0005 O7 .3349 0 .2912 .0021 .0003 .0122 0 .0014 0