Ronneburgite
Witzke T, Zhen S, Seff K, Doering T, Nasdala L, Kolitsch U
American Mineralogist 86 (2001) 1081-1086
Ronneburgite, K2MnV4O12, a new mineral from Ronneburg, Thuringia, Germany:
Description and crystal structure
_database_code_amcsd 0002672
8.183 9.247 8.651 90 109.74 90 P2_1/n
atom       x      y      z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn         0      0      0  .0111  .0112  .0090  .0008  .0019  .0007
V1    .16696 .21242 .37929  .0098  .0133  .0082 -.0014  .0014 -.0010
V2   -.19886 .44235 .26056  .0121  .0147  .0101  .0008  .0014  .0008
K     -.1420 .19750  .5925  .0245  .0227  .0204  .0015  .0107 -.0001
O1     .1829  .0915  .5440  .0251  .0222  .0111 -.0028  .0026  .0033
O2    -.0247  .3158  .3435  .0231  .0373  .0217  .0153  .0043  .0063
O3     .1518  .1169  .2130  .0236  .0246  .0135 -.0053  .0051 -.0097
O4     .3389  .3168  .4142  .0225  .0176  .0205 -.0090  .0069 -.0049
O5    -.3351  .4264  .3650  .0201  .0241  .0197  .0047  .0095 -.0008
O6    -.1272  .6059  .2727  .0361  .0222  .0330 -.0122  .0056 -.0031