Ferro-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 168215, from Goose Creek Quarry, Leesburg, Virginia,
in an alteration of hornblende
_database_code_amcsd 0001999
9.977 18.287 5.308 90 104.81 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 .0891 .5 .841 .0021 .0004 .0025 0 .0012 0
Mn1 0 .0891 .5 .026 .0021 .0004 .0025 0 .0012 0
Mg1 0 .0891 .5 .150 .0021 .0004 .0025 0 .0012 0
Fe2 0 .1791 0 .754 .0018 .0004 .0032 0 .0011 0
Mn2 0 .1791 0 .069 .0018 .0004 .0032 0 .0011 0
Mg2 0 .1791 0 .176 .0018 .0004 .0032 0 .0011 0
Ti2 0 .1791 0 .001 .0018 .0004 .0032 0 .0011 0
Fe3 0 0 0 .772 .0019 .0003 .0027 0 .0006 0
Mg3 0 0 0 .228 .0019 .0003 .0027 0 .0006 0
Fe4 0 .2779 .5 .009 .0028 .0005 .0078 0 .0032 0
Mn4 0 .2779 .5 .003 .0028 .0005 .0078 0 .0032 0
Ca4 0 .2779 .5 .985 .0028 .0005 .0078 0 .0032 0
Na4 0 .2779 .5 .003 .0028 .0005 .0078 0 .0032 0
Si1 .2787 .0836 .2926 .995 .0015 .0003 .0016 -.0001 .0009 .0000
Al1 .2787 .0836 .2926 .005 .0015 .0003 .0016 -.0001 .0009 .0000
Si2 .2886 .1699 .8004 .0014 .0004 .0013 -.0001 .0006 .0000
NaA(m) .044 .5 .102 .011
KA(m) .044 .5 .102 .022
H .186 0 .756 .940
O1 .1130 .0873 .2132 .0013 .0005 .0034 -.0001 .0011 .0000
O2 .1218 .1736 .7205 .0015 .0006 .0032 .0001 .0004 .0002
O3 .1105 0 .7134 .0016 .0007 .0071 0 .0005 0
O4 .3669 .2447 .7921 .0029 .0005 .0048 -.0004 .0027 -.0004
O5 .3439 .1320 .0940 .0018 .0007 .0036 -.0001 .0009 .0006
O6 .3424 .1187 .5833 .0022 .0007 .0012 .0000 .0009 -.0008
O7 .3328 0 .2938 .0022 .0003 .0070 0 .0009 0
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Ferro-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: C80, NMNH 168215, from Goose Creek Quarry, Leesburg, Virginia,
in an alteration of hornblende, after heating at 700 C
_database_code_amcsd 0002000
9.986 18.296 5.306 90 104.79 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 .0891 .5 .827 .0014 .0006 .0025 0 .0006 0
Mn1 0 .0891 .5 .023 .0014 .0006 .0025 0 .0006 0
Mg1 0 .0891 .5 .150 .0014 .0006 .0025 0 .0006 0
Fe2 0 .1792 0 .792 .0011 .0005 .0026 0 .0005 0
Mn2 0 .1792 0 .064 .0011 .0005 .0026 0 .0005 0
Mg2 0 .1792 0 .142 .0011 .0005 .0026 0 .0005 0
Ti2 0 .1792 0 .002 .0011 .0005 .0026 0 .0005 0
Fe3 0 0 0 .842 .0015 .0004 .0026 0 .0003 0
Mg3 0 0 0 .158 .0015 .0004 .0026 0 .0003 0
Fe4 0 .2779 .5 .012 .0023 .0007 .0075 0 .0023 0
Mn4 0 .2779 .5 .003 .0023 .0007 .0075 0 .0023 0
Ca4 0 .2779 .5 .976 .0023 .0007 .0075 0 .0023 0
Na4 0 .2779 .5 .009 .0023 .0007 .0075 0 .0023 0
Si1 .2789 .0836 .2927 .995 .0009 .0005 .0009 -.0001 .0002 -.0001
Al1 .2789 .0836 .2927 .005 .0009 .0005 .0009 -.0001 .0002 -.0001
Si2 .2888 .1697 .8007 .0009 .0005 .0012 -.0001 .0001 .0000
NaA(m) .022 .5 .047 .003
KA(m) .022 .5 .047 .024
H .177 0 .760 .934
O1 .1129 .0874 .2145 .0010 .0008 .0012 -.0001 .0002 -.0002
O2 .1217 .1735 .7203 .0010 .0008 .0028 -.0001 .0002 -.0002
O3 .1106 0 .7120 .992 .0014 .0008 .0069 0 .0006 0
F3 .1106 0 .7120 .005 .0014 .0008 .0069 0 .0006 0
Cl3 .1106 0 .7120 .003 .0014 .0008 .0069 0 .0006 0
O4 .3671 .2447 .7914 .0020 .0007 .0038 -.0003 .0014 .0000
O5 .3438 .1319 .0941 .0014 .0009 .0029 -.0001 .0004 .0006
O6 .3424 .1186 .5833 .0013 .0010 .0023 .0001 -.0003 -.0005
O7 .3325 0 .2933 .0009 .0006 .0067 0 .0004 0
Download AMC data (View Text File )Download CIF data (View Text File )Download diffraction data (View Text File )View JMOL 3-D Structure (permalink )
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