Pyrophanite
Ko J, Prewitt C T
Physics and Chemistry of Minerals 15 (1988) 355-362
High-pressure phase transition in MnTiO3 from the ilmenite to the
LiNbO3 structure
Note: Represents the high pressure phase of pyrophanite
Note: Sample synthesized at 60 kbar and 1300 C
_database_code_amcsd 0007448
5.205 5.205 13.700 90 90 120 R3c
atom     x     y      z Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3) B(2,3)
Mn       0     0 .27616  .69 .00692 .00692 .00125  .00346      0      0
Ti       0     0      0  .46 .00523 .00523 .00069 .002625      0      0
O    .0601 .3427  .0634  .60  .0063  .0061 .00103   .0031 -.0005 -.0004