Alumoklyuchevskite
Krivovichev S V, Filatov S K, Cherepansky P N
Geology of Ore Deposits 51 (2009) 656-662
The crystal structure of alumoklyuchevskite, K3Cu3AlO2(SO4)4
Locality: Great Tolbachik Fissure Eruption,
Kamchatka Peninsula, Russia, 1975-1976
_database_code_amcsd 0017777
18.772 4.967 18.468 90 101.66 90 I2
atom     x      y     z occ  Uiso
K1      .5   .483    .5      .031
K2       0   .464    .5      .025
K3   .3700   .519 .7465      .020
K4   .4294   .037 .2776      .034
Cu1  .1866  .0018 .5327     .0211
Cu2  .2600 -.0137 .4098     .0139
Cu3  .1693  .4850 .4167     .0129
AlMc .3025   .514 .5282 .64  .020
FeMc .3025   .514 .5282 .36  .020
S1   .1835   .503 .6259      .029
S2   .3309   .487 .3649      .014
S3   .0728  -.015 .3692      .013
S4   .4059   .024 .6022      .019
O1   .1838   .460 .7051       .04
O2   .1338   .356 .5718       .04
O3   .1607   .786 .6087      .017
O4   .2603   .480 .6170      .017
O5   .3563   .560 .4428      .005
O6   .3894   .434 .3248       .04
O7   .3124   .777 .3569      .033
O8   .2650   .329 .3417      .034
O9   .0067  -.048 .3160      .049
O10  .0901   .700 .3594      .034
O11  .0650   .024 .4453      .031
O12  .1311   .156 .3551      .036
O13  .4734   .028 .5763      .018
O14  .4147  -.005 .6823      .023
O15  .3845   .310 .5831      .028
O16  .3476  .8556 .5651      .025
O17   .232   .732  .480       .04
O18   .233   .231  .476       .04