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 = 0.2 Locality: synthetic _database_code_amcsd 0006103 5.1234 5.1234 14.2054 90 90 120 R-3 atom x y z occ Biso Mn 0 0 .35960 .8 .58 Mg 0 0 .35960 .2 .58 Ti 0 0 .14741 .21 O1 .32138 .03023 .24304 .42