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