Hornblende Oberti R, Hawthorne F C, Ungaretti L, Cannillo E The Canadian Mineralogist 33 (1995) 867-878 [6]Al disorder in amphiboles from mantle peridotites Sample: F10 _database_code_amcsd 0005454 9.871 17.962 5.279 90 105.22 90 C2/m atom x y z occ Biso SiT1 .2807 .0852 .3028 .772 .40 AlT1 .2807 .0852 .3028 .228 .40 SiT2 .2908 .1731 .8130 .772 .44 AlT2 .2908 .1731 .8130 .228 .44 MgM1 0 .0893 .5 .91 .48 FeM1 0 .0893 .5 .09 .48 TiM2 0 .1762 0 .02 .46 CrM2 0 .1762 0 .01 .46 AlM2 0 .1762 0 .24 .46 FeM2 0 .1762 0 .09 .46 MgM2 0 .1762 0 .64 .46 AlM3 0 0 0 .27 .45 MgM3 0 0 0 .64 .45 FeM3 0 0 0 .09 .45 FeM4 0 .2800 .5 .04 .61 MgM4 0 .2800 .5 .01 .61 CaM4 0 .2800 .5 .45 .61 FeM4' 0 .2587 .5 .03 .94 MgM4' 0 .2587 .5 .01 .94 CaM4' 0 .2587 .5 .46 .94 NaA 0 .5 0 .178 5.14 KA 0 .5 0 .002 5.14 NaA(m) .0257 .5 .0768 .179 3.23 KA(m) .0257 .5 .0768 .002 3.23 NaA(2) 0 .4694 0 .178 1.91 KA(2) 0 .4694 0 .002 1.91 H .1853 0 .7606 .79 O1 .1067 .0871 .2156 .83 O2 .1198 .1735 .7328 .64 Oh3 .1077 0 .7188 .79 O4 .3673 .2501 .7868 .86 O5 .3504 .1414 .1141 .85 O6 .3436 .1151 .6136 .99 O7 .3411 0 .2696 1.00