Orientite
Mellini M, Merlino S, Pasero M
American Mineralogist 71 (1986) 176-187
X-ray and HRTEM structure analysis of orientite
_database_code_amcsd 0001007
9.044 6.091 19.031 90 90 90 P2mm
atom      x     y      z occ Biso
Ca1   .2876    .5  .1608      .39
Ca2   .8136     0  .1569      .75
Ca3   .7093    .5  .6571     1.38
Ca4   .1836     0  .6578      .36
Mn1   .2560 .2511  .0018      .19
Mn2   .5507 .2488    .25 .84  .06
Mn3   .7511 .2591 -.0028      .47
Si1  -.0256    .5  .0934     1.12
Si2   .4763     0  .1006      .06
Si3  -.1026    .5    .25 .84  .06
Si4   .1949     0    .25 .84  .37
Si5   .0454    .5  .5963      .06
Si6   .5258     0  .5971      .25
Si7   .1197    .5    .75      .42
Si8   .6029     0    .75 .68 4.38
Mn2A  .0691 .2295    .25 .16 1.41
Si3A  .3929     0    .25 .16  .06
Si4A  .6936    .5    .25 .16  .06
Mn2B  .4615 .2534    .75 .32  .49
Si4B  .7956     0    .75 .32 1.00
O1    .3788 .2143  .0791      .62
O2    .8691 .2886  .0781      .30
O3    .1394    .5  .0616     1.25
O4    .6301     0  .0579      .06
O5    .2932 .2383    .25     1.64
O6    .7910 .2840    .25      .74
O7    .5599     0  .1779      .36
O8    .0110    .5  .1810     1.02
OH9   .0694     0  .1799     1.62
OH10  .1301     0  .0247      .56
O11   .6409    .5  .0292      .06
OH12  .5284    .5  .1806     2.14
O13   .6270 .2137  .5877      .19
O14   .1289 .2615  .5807     1.07
O15  -.1165    .5  .5604     1.08
O16   .3778     0  .5515      .42
O17   .1954 .2537    .75      .93
O18   .4813     0  .6834      .06
O19   .0060    .5  .6768      .40
OH20  .8617     0  .5410      .06
OH21  .3773    .5  .5268     1.10
O22   .7054 .2104    .75      .05
OH23 -.0782     0  .6799     2.01
OH24  .4300    .5  .6771      .72