Pyrophanite Mitchell R H, Liferovich R P The Canadian Mineralogist 42 (2004) 1871-1880 The pyrophanite-ecandrewsite solid-solution: crystal structures of the Mn1-xZnxSiO3 series (0.1 <= x <= 0.8) Sample: x = .3, ilmenite structure _database_code_amcsd 0005997 5.11892 5.11892 14.1741 90 90 120 R-3 atom x y z occ Biso Mn 0 0 .36072 .7 .5 Zn 0 0 .36072 .3 .5 Ti 0 0 .14805 .4 O .3206 .0302 .2435 .5