Lepidolite
Hendricks S B, Jefferson M E
American Mineralogist 24 (1939) 729-771
Polymorphism of the micas with optical measurements
_database_code_amcsd 0000027
9.2 5.3 60.0 90 90. 90 Cc
atom     x     y     z occ
K1       0 .3333 .0825
K2   .3333 .6667 .2492
K3   .1667 .8333 .4158
Mg1      0     0     0
Mg2      0     0 .1667
Mg3      0     0 .3333
Mg4  .1667    .5     0
Mg5  .1667    .5 .1667
Mg6  .1667    .5 .3333
Mg7  .3333     0     0
Mg8  .3333     0 .1667
Mg9  .3333     0 .3333
Si1  .3333 .3333 .0440 .75
Si2      0 .6667 .2107 .75
Si3      0 .3333 .3773 .75
Si4  .1667 .8333 .0440 .75
Si5  .1667 .1667 .2107 .75
Si6  .3333 .3333 .3773 .75
Si7      0 .6667 -.044 .75
Si8  .1667 .8333 .1227 .75
Si9      0 .6667 .2893 .75
Si10 .3333 .6667 -.044 .75
Si11 .3333 .3333 .1227 .75
Si12 .1667 .1667 .2893 .75
Al1  .3333 .3333 .0440 .25
Al2      0 .6667 .2107 .25
Al3      0 .3333 .3773 .25
Al4  .1667 .8333 .0440 .25
Al5  .1667 .1667 .2107 .25
Al6  .3333 .3333 .3773 .25
Al7      0 .6667 -.044 .25
Al8  .1667 .8333 .1227 .25
Al9      0 .6667 .2893 .25
Al10 .3333 .6667 -.044 .25
Al11 .3333 .3333 .1227 .25
Al12 .1667 .1667 .2893 .25
O1     .25 .0833 .0530
O2   .0833 .4167 .2197
O3   .1667 .3333 .3863
O4     .25 .5833 .0530
O5   .3333 .1667 .2197
O6   .4167 .0833 .3863
O7      .5 .3333 .0530
O8   .0833 .5833 .2197
O9   .4167 .5833 .3863
O10  .3333 .3333 .0170
O11      0 .6667 .1837
O12      0 .3333 .3503
O13  .1667 .8333 .0170
O14  .1667 .1667 .1837
O15  .3333 .3333 .3503
O16      0 .6667 -.017
O17  .1667 .8333 .1497
O18      0 .6667 .3163
O19  .3333 .6667 -.017
O20  .3333 .3333 .1497
O21  .1667 .1667 .3163
O22  .1667 .6667 -.053
O23      0 .8333 .1137
O24  .0833 .4167 .2803
O25  .4167 .4167 -.053
O26    .25 .0833 .1137
O27  .0833 .5833 .2803
O28  .4167 .5833 -.053
O29    .25 .5833 .1137
O30  .3333 .1667 .2803
OH1      0 .3333 .0170 .50
OH2  .3333 .6667 .1837 .50
OH3  .1667 .8333 .3503 .50
OH4  .1667 .1667 -.017 .50
OH5      0 .3333 .1497 .50
OH6  .3333 .6667 .3163 .50
F1       0 .3333 .0170 .50
F2   .3333 .6667 .1837 .50
F3   .1667 .8333 .3503 .50
F4   .1667 .1667 -.017 .50
F5       0 .3333 .1497 .50
F6   .3333 .6667 .3163 .50