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: F5 _database_code_amcsd 0005450 9.828 17.917 5.290 90 105.16 90 C2/m atom x y z occ Biso SiT1 .2807 .0855 .3023 .775 .35 AlT1 .2807 .0855 .3023 .225 .35 SiT2 .2915 .1733 .8136 .775 .43 AlT2 .2915 .1733 .8136 .225 .43 MgM1 0 .0895 .5 .87 .47 FeM1 0 .0895 .5 .13 .47 AlM2 0 .1765 0 .36 .45 FeM2 0 .1765 0 .11 .45 MgM2 0 .1765 0 .53 .45 AlM3 0 0 0 .14 .46 MgM3 0 0 0 .71 .46 FeM3 0 0 0 .15 .46 FeM4 0 .2794 .5 .05 .74 MgM4 0 .2794 .5 .01 .74 CaM4 0 .2794 .5 .44 .74 FeM4' 0 .2527 .5 .05 .49 MgM4' 0 .2527 .5 .01 .49 CaM4' 0 .2527 .5 .44 .49 NaA 0 .5 0 .152 5.12 KA 0 .5 0 .004 5.12 NaA(m) .0200 .5 .0611 .152 3.12 KA(m) .0200 .5 .0611 .005 3.12 NaA(2) 0 .4690 0 .152 1.61 KA(2) 0 .4690 0 .005 1.61 H .1902 0 .7667 1.46 O1 .1060 .0886 .2140 .82 O2 .1198 .1741 .7356 .64 Oh3 .1085 0 .7164 .76 O4 .3688 .2504 .7878 .91 O5 .3506 .1412 .1134 .83 O6 .3432 .1161 .6109 1.00 O7 .3393 0 .2720 1.08