Kentrolite
Dorsam G, Liebscher A, Wunder B, Franz G
American Mineralogist 93 (2008) 573-583
Crystal structures of synthetic melanotekite (Pb2Fe2Si2O9), kentrolite
(Pb2Mn2Si2O9), and the aluminum analogue (Pb2Al2Si2O9)
Locality: synthetic
_database_code_amcsd 0004536
7.0079 11.0665 9.9634 90 90 90 P2_122_1
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb1   .5486  .5525  .2001 .72 .0086  .0091  .0077  .0090  .0011 -.0015  .0040
Pb2   .5348  .5476  .1989 .28 .0267  .0435  .0192  .0173  .0012 -.0026 -.0213
Pb3   .5479 -.0599  .2974 .65 .0095  .0083  .0107  .0095  .0011  .0009 -.0012
Pb4   .4986 -.0558  .2985 .35 .0245  .0444  .0163  .0127  .0004 -.0013 -.0098
Mn1      .5  .1048      0     .0068  .0070  .0075  .0059      0 -.0004      0
Mn2       0  .6054      0     .0063  .0055  .0073  .0062      0  .0016      0
Mn3   .5016  .2490  .2496     .0069  .0075  .0068  .0064 -.0008 -.0006 -.0001
Si1   .7876  .1571  .4971     .0087  .0083  .0094  .0084 -.0003 -.0016  .0016
Si2   .7867  .3436 -.0037     .0069  .0058  .0072  .0077 -.0003  .0005  .0012
O1    .8887  .6092  .1731     .0099  .0096  .0141  .0061  .0001 -.0017  .0005
O2        0  .2222     .5     .0212  .0034  .0057  .0544      0 -.0120      0
O3    .7009  .3679  .1434     .0115  .0159  .0089  .0099 -.0070  .0060 -.0049
O4    .8122  .4729 -.0808     .0134  .0163  .0114  .0125  .0036  .0067 -.0023
O5    .7901 -.1351  .1474     .0193  .0372  .0119  .0088 -.0036 -.0038  .0090
O6    .6634  .2454 -.0882     .0102  .0086  .0114  .0108 -.0001 -.0011 -.0047
O7    .8117  .0266  .4218     .0112  .0075  .0089  .0174 -.0047 -.0012  .0005
O8    .6566  .2511  .4152     .0106  .0102  .0138  .0079 -.0003  .0004  .0034
O9    .6148  .1107  .1720     .0093  .0086  .0119  .0073  .0002 -.0022 -.0023
O10       0  .2811      0     .0145  .0075  .0067  .0294      0  .0016      0