AM_Titanite_110 Formula: (Ca.9 Na.1) (Ti.9 Ta.1) Si O5 Name: Titanite Unit cell: 7.0826 8.7156 6.5767 90.0 113.911 90.0 , V=371.13 Space group: A12/A1 (15)

Liferovich R P , Mitchell R H , Physics and Chemistry of Minerals , 33 (2006) p.73-83, Tantalum-bearing titanite: synthesis and crystal structure data, Locality: synthetic, Sample: NaTa1