1title Corundum 2cell 4.76055 4.9965 12.05 90. 90. 120. 3spgp R -3 c 4atom Al 1 0 0 0.35192 5atom O 1 0.30627 0.0 0.25 6rem pack -0.25 1.25 -0.25 1.25 -0.25 1.25 7axislines 0.02 Black 8box 0.020 Black 9background White 10finish 0.00 0.00 0.00 0.00 11sphere Al 0.200 Green 12sphere O 0.400 Red 13labeltext -0.105 -0.100 -0.041 o 14labeltext 1.105 0.000 0.000 a 15labeltext 0.000 1.100 0.000 b 16labeltext 0.000 0.000 1.041 c 17pack 0.00 1.00 0.00 1.00 0.00 1.00 18mapregion 0.0000 1.0000 0.0000 1.0000 0.3000 0.6000 19mapslice 0.500 0.500 0.500 0.000 0.832 0.555 2 20view 175.0 62.3 -91.1 21mapcontour 1.000 solid Blue 22mapcontour 0.500 mesh Green 23mapcontour 0.100 mesh Green 24mapcontour 0.200 mesh Green 25mapcontour 0.300 mesh Green 26mapcontour 0.400 mesh Green 27mapread grd corundum.grd 4 28end 29