Zincroselite
Keller P, Lissner F, Schleid T
European Journal of Mineralogy 16 (2004) 353-359
The crystal structures of zincroselite and gaitite: Two natural
polymorphs of Ca2Zn[AsO4]2*2H2O from Tsumeb, Namibia
Locality: Tsumeb, Namibia
_database_code_amcsd 0007062
5.827 12.899 5.646 90 107.69 90 P2_1/c
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
CaA   .5625 .12160  .2295     .0111  .0098  .0120  .0120 -.0010  .0039 -.0016
ZnM       0      0      0 .86 .0142  .0118  .0150  .0150  .0002  .0026 -.0039
MgM       0      0      0 .14 .0142  .0118  .0150  .0150  .0002  .0026 -.0039
AsX  .21853 .12058 .56501     .0093  .0089  .0097  .0089  .0001  .0020  .0002
O1    .2843  .0540  .8375     .0148  .0112  .0146  .0179  .0035  .0033  .0007
O2    .2396  .0358  .3423     .0127  .0120  .0129  .0120  .0004  .0021  .0033
O3    .9446  .1734  .4952     .0142  .0142  .0138  .0150 -.0039  .0052 -.0002
O4    .4394  .2064  .5696     .0143  .0136  .0154  .0142 -.0017  .0047 -.0053
O5    .8157  .1393  .9634     .0130  .0147  .0122  .0114 -.0016  .0029  .0008
H1     .898   .195   .986     .0177
H2     .731   .148   .841     .0426