Hornblende Phillips M W, Draheim J E, Popp R K, Clowe C A, Pinkerton A A American Mineralogist 74 (1989) 764-773 Effects of oxidation-dehydrogenation in tschermakitic hornblende sample H-11, after annealing at 650 C, 1 kbar _database_code_amcsd 0001250 9.803 18.046 5.313 90 105.05 90 C2/m atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Al1 .28110 .08682 .30119 .390 0.0069 0.0068 0.0071 -.0007 .0012 -.0003 Si1 .28110 .08682 .30119 .610 0.0069 0.0068 0.0071 -.0007 .0012 -.0003 Si2 .29154 .17306 .81322 0.0071 0.0076 0.0075 .0001 .0017 .0007 Fe1 0 .08869 .5 .413 0.0093 0.0089 0.0067 0 .0023 0 Mg1 0 .08869 .5 .587 0.0093 0.0089 0.0067 0 .0023 0 Fe2 0 .17764 0 .284 0.0072 0.0065 0.0072 0 .0016 0 Mg2 0 .17764 0 .251 0.0072 0.0065 0.0072 0 .0016 0 Al2 0 .17764 0 .430 0.0072 0.0065 0.0072 0 .0016 0 Ti2 0 .17764 0 .035 0.0072 0.0065 0.0072 0 .0016 0 Fe3 0 0 0 .490 0.0093 0.0064 0.0072 0 .0012 0 Mg3 0 0 0 .510 0.0093 0.0064 0.0072 0 .0012 0 Ca4 0 .27999 .5 .903 0.0117 0.0097 0.0118 0 .0055 0 Na4 0 .27999 .5 .097 0.0117 0.0097 0.0118 0 .0055 0 O1 .1063 .0906 .2132 0.0093 0.0165 0.0107 -.0020 .0030 -.0010 O2 .1192 .1743 .7356 0.0078 0.0133 0.0111 .0006 .0011 .0016 O3 .1102 0 .7136 0.0085 0.0132 0.0164 0 .0014 0 O4 .3686 .2505 .7930 0.0143 0.0098 0.0131 -.0013 .0050 -.0004 O5 .3504 .1395 .1089 0.0105 0.0152 0.0123 .0002 .0014 .0047 O6 .3430 .1195 .6021 0.0104 0.0137 0.0136 -.0002 .0019 -.0036 O7 .3353 0 .2861 0.0154 0.0134 0.0200 0 .0030 0 Na2/m 0 .5 0 .470 0.1570 0.1070 0.1910 0 .1660 0 H .319 .5 .268 .890 0.5