Pyrophanite Liferovich R P, Mitchell R H The Canadian Mineralogist 44 (2006) 1099-1107 The pyrophanite-geikielite solid-solution series: crystal structures of the Mn1-xMgxTiO3 series (0 < x < 0.7) Sample: XMg = 0.1 Locality: synthetic _database_code_amcsd 0006102 5.1303 5.1303 14.2428 90 90 120 R-3 atom x y z occ Biso Mn 0 0 .35970 .9 .55 Mg 0 0 .35970 .1 .55 Ti 0 0 .14752 .42 O1 .31989 .03003 .24268 .46