AM_(K67Th33)TiO3 Formula: (K.69 Th.31) Ti O3 Name: (K.67Th.33)TiO3 Unit cell: 3.9007 3.9007 7.8099 90.0 90.0 90.0 , V=118.83 Space group: P4/MMM (123)

Chakhmouradian A R , Mitchell R H , American Mineralogist , 86 (2001) p.1076-1080, Crystal structure of novel high-pressure perovskite K2/3Th1/3TiO3,, a possible host for Th in the upper mantle