Potassic-ferro-ferri-sadanagaite
Sokolova E V, Hawthorne F C, Kabalov Y K, Schneider J, McCammon C A
The Canadian Mineralogist 38 (2000) 669-674
The crystal chemistry of potassic-ferrisadanagaite
Locality: contact zone of the Ilmen alkaline massif, Ilmen Mountains, southern Urals, Russia
_database_code_amcsd 0005653
9.9309 18.0949 5.3681 90 105.19 90 C2/m
atom     x    y     z  occ Biso
KA       0   .5     0  .66  5.5
NaA      0   .5     0  .32  5.5
Ca4      0 .283    .5 .865   .1
Mn4      0 .283    .5  .02   .1
Na4      0 .283    .5 .115   .1
Fe1      0 .091    .5  .65   .1
Ti1      0 .091    .5 .095   .1
Fe2      0 .180     0  .61   .2
Mg1      0 .091    .5 .255   .1
Al2      0 .180     0  .39   .2
Fe3      0    0     0  .70   .2
Mn3      0    0     0  .21   .2
Mg3      0    0     0  .09   .2
Si1  .2813 .087 .3117  .73   .8
Al1  .2813 .087 .3117  .27   .8
Si2  .2897 .174 .8144  .93   .7
Al2  .2897 .174 .8144  .07   .7
O1   .1035 .093 .2108        .2
O2   .1184 .176 .7380        .7
O3   .1034    0 .7038        .9
O4   .3708 .250 .7939        .1
O5   .3500 .140 .1161       1.1
O6   .3414 .118 .6109        .4
O7   .3404    0 .2940        .6