Orthopyroxene Domeneghetti M C, Tazzoli V, Ballaran T B, Molin G M American Mineralogist 81 (1996) 842-846 Orthopyroxene from the Serra de Mage meteorite: A structure-refinement procedure for a Pbca phase coexisting with a C2/c exsolved phase Sample Opx SDM N.7, heated _database_code_amcsd 0001806 18.320 8.917 5.219 90 90 90 Pbca atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) SiA .22838 .65955 .5514 .993 .0051 .0056 .0041 -.0007 -.0008 .0001 AlA .22838 .65955 .5514 .014 .0051 .0056 .0041 -.0007 -.0008 .0001 SiB .47386 .33637 .7946 .993 .0050 .0049 .0043 .0006 -.0001 .0004 AlB .47386 .33637 .7946 .014 .0050 .0049 .0043 .0006 -.0001 .0004 O1A .31602 .8387 .0412 .0064 .0078 .0063 .0001 .0001 -.0001 O1B .56216 .3379 .7951 .0047 .0087 .0068 -.0001 -.0007 .0003 O2A .31132 .4996 .0517 .0092 .0076 .0074 -.0017 -.0012 .0020 O2B .43368 .4840 .6951 .0084 .0090 .0077 .0011 -.0007 .0014 O3A .19772 .7698 .3246 .0077 .0114 .0074 -.0004 -.0012 .0035 O3B .44762 .2012 .5940 .0084 .0102 .0075 -.0009 -.0010 -.0030 Mg1 .37563 .65440 .8726 .764 .0069 .0061 .0052 -.0002 -.0009 .0002 Fe1 .37563 .65440 .8726 .220 .0069 .0061 .0052 -.0002 -.0009 .0002 Mn1 .37563 .65440 .8726 .007 .0069 .0061 .0052 -.0002 -.0009 .0002 Cr1 .37563 .65440 .8726 .004 .0069 .0061 .0052 -.0002 -.0009 .0002 Ti1 .37563 .65440 .8726 .005 .0069 .0061 .0052 -.0002 -.0009 .0002 Mg2 .37780 .48378 .36644 .364 .0091 .0096 .0068 -.0011 -.0025 -.0002 Fe2 .37780 .48378 .36644 .581 .0091 .0096 .0068 -.0011 -.0025 -.0002 Mn2 .37780 .48378 .36644 .019 .0091 .0096 .0068 -.0011 -.0025 -.0002 Ca2 .37780 .48378 .36644 .036 .0091 .0096 .0068 -.0011 -.0025 -.0002