Sursassite
Nagashima M, Akasaka M, Minakawa T, Libowitzky E, Armbruster T
American Mineralogist 94 (2009) 1440-1449
Sursassite: hydrogen bonding, cation order, and pumpellyite intergrowth
Locality: Gambatesa, Italy
Sample Number: 7
_database_code_amcsd 0004992
8.715 5.7981 9.798 90 108.879 90 P2_1/m
atom      x     y      z
Mn1   .1677   .25  .3142
Mn2   .2693   .25  .6760
Al1      .5     0     .5
Al2      .5     0      0
Al3       0    .5      0
Si1   .3074   .75  .1923
Si2   .2066   .75  .8077
Si3   .1566   .75  .4947
O1    .2638 .5135  .5027
O2    .1912 .5245  .1631
O3    .3146 .5184  .8353
O4    .4161   .75  .0829
O5    .4459   .75  .3532
OH6   .0845   .25  .9291
O7    .4391   .25  .3679
O8    .0719   .75  .8934
O9    .0921   .75  .6375
O10  -.0078   .75  .3571
O11   .4130   .25  .0731
H7      .45   .25    .27
H11B    .48   .25   .176