Winchite Sokolova E V, Hawthorne F C, Gorbatova V, McCammon C, Schneider J The Canadian Mineralogist 39 (2001) 171-177 Ferrian winchite from the Ilmen mountains, southern Urals, Russia and some problems with the current scheme for amphibole nomenclature Locality: Ilmen mountains, southern Urals, Russia Note: x-coordinate of T1 and all coordinates of O6 adjusted to match reported bond lengths _database_code_amcsd 0005710 9.8339 18.0357 5.2974 90 104.195 90 C2/m atom x y z occ Biso KA 0 .5 0 .13 2.0 CaM4 0 .2761 .5 .33 1.4 NaM4 0 .2761 .5 .67 1.4 MgM1 0 .0887 .5 .6 Fe3+M2 0 .1784 0 .46 .6 Fe2+M2 0 .1784 0 .435 .6 AlM2 0 .1784 0 .10 .6 TiM2 0 .1784 0 .005 .6 MgM3 0 0 0 .79 .3 Fe2+M3 0 0 0 .13 .3 MnM3 0 0 0 .07 .3 SiT1 .285 .0858 .302 .97 1.0 AlT1 .285 .0858 .302 .03 1.0 SiT2 .289 .1746 .801 .8 O1 .111 .089 .216 .7 O2 .119 .174 .730 1.4 OH3 .107 0 .709 .885 .6 F3 .107 0 .709 .115 .6 O4 .366 .2513 .789 1.7 O5 .351 .1254 .077 1.2 O6 .334 .1160 .602 1.6 O7 .345 0 .319 1.3