Mereiterite
Hertweck B, Giester G, Libowitzky E
American Mineralogist 86 (2001) 1282-1292
The crystal structures of the low-temperature phases of leonite-type compounds,
K2Me(SO4)2.4H2O (Me=Mg,Mn,Fe)
Sample: K2Fe(SO4)2.4H2O, T = 185 K
_database_code_amcsd 0002733
11.834 9.502 9.913 90 94.87 90 P2_1/a
atom x y z Uiso
K1 .16871 .26936 .23932 .0146
K2 .16905 -.25715 .25871 .0139
Fe1 0 0 0 .0084
Fe2 0 .5 .5 .0078
S1 .20725 .50503 -.04538 .0086
S2 .21392 -.00657 -.48176 .0079
O1A -.1511 .3725 .1152 .0158
O1B .1611 .3738 -.1093 .0173
O2A .1499 .0899 -.4000 .0150
O2B .1819 -.1529 -.4566 .0168
O3 .1716 .0127 .0671 .0217
O4 .1885 .5075 .0977 .0191
O5 .1637 .5111 .4366 .0126
O6 .1934 .0244 .3737 .0163
Ow1A -.0350 .3342 .3572 .0130
Ow1B .0451 .3377 -.3552 .0134
Ow2 -.0060 .2203 -.0141 .0195
Ow3 .0139 -.0121 -.2141 .0191
H1A -.070 .278 .391 .026
H2A -.073 .352 .277 .035
H1B .074 .269 -.383 .021
H2B .083 .356 -.278 .036
H3A -.047 .270 .021 .031
H3B .043 .267 -.039 .034
H4 .067 .007 -.263 .035
H5 -.040 -.015 -.268 .032
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Mereiterite
Hertweck B, Giester G, Libowitzky E
American Mineralogist 86 (2001) 1282-1292
The crystal structures of the low-temperature phases of leonite-type compounds,
K2Me(SO4)2.4H2O (Me=Mg,Mn,Fe)
Sample: K2Fe(SO4)2.4H2O, T = 293 K
_database_code_amcsd 0002734
11.837 9.547 9.939 90 94.88 90 C2/m
atom x y z occ Uiso
K .16890 .26351 .24913 .0270
Fe1 0 0 0 .0143
Fe2 0 .5 .5 .0130
S1 .20733 .5 -.04466 .0143
S2 .21291 0 -.48145 .0139
O1 .1567 .3740 -.1119 .0272
O2A .1526 .0950 -.4014 .5 .0254
O2B .1765 .1481 -.4540 .5 .0290
O3 .1716 0 .0656 .0365
O4 .1880 .5 .0974 .0335
O5 .1645 .5 .4373 .0218
O6 .1929 .0240 .3742 .5 .0267
Ow1 .0399 .3374 -.3554 .0211
Ow2 0 .2204 0 .0317
Ow3 .0129 0 -.2145 .0321
H1 .072 .276 -.385 .039
H2 .079 .354 -.279 .045
H3 .044 .269 -.032 .046
H4 .065 0 -.258 .061
H5 -.043 0 -.268 .057
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Mereiterite
Giester G, Rieck B
European Journal of Mineralogy 7 (1995) 559-566
Mereiterite, K2Fe[SO4]2.4H2O, a new leonite-type mineral from
the Lavrion Mining District, Greece
Locality: Lavrion Mining District, Greece
_database_code_amcsd 0006597
11.841 9.553 9.942 90 94.87 90 C2/m
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K .16894 .26347 .24911 .0291 .0295 .0223 .0355 -.0063 .0012 .0011
Fe1 0 0 0 .0160 .0158 .0120 .0199 0 -.0002 0
Fe2 0 1/2 1/2 .0147 .0158 .0110 .0174 0 .0020 0
S1 .20735 1/2 -.04455 .0161 .0183 .0135 .0164 0 .0018 0
S2 .21280 0 -.48143 .0156 .0167 .0132 .0169 0 .0012 0
O1 .1568 .3739 -.1117 .0292 .0401 .0193 .0286 -.0047 .0044 -.0093
O2a .1528 .0962 -.4015 .5 .0271 .0248 .0246 .0326 -.0058 .0065 .0082
O2b .1759 .1476 -.4544 .5 .0307 .0372 .0169 .0381 -.0049 .0033 .0101
O3 .1716 0 .0657 .0384 .0168 .0581 .0395 0 -.0018 0
O4 .1882 1/2 .0972 .0356 .0614 .0277 .0191 0 .0124 0
O5 .1645 1/2 .4373 .0242 .0166 .0313 .0248 0 .0025 0
O6 .1929 .0242 .3744 .5 .0294 .0359 .0323 .0190 .0053 -.0039 -.0027
OW1 .0399 .3373 -.3555 .0229 .0280 .0166 .0238 .0023 .0005 .0051
Ow2 0 .2204 0 .0341 .0357 .0138 .0558 0 .0213 0
OW3 .0133 0 -.2144 .0347 .0287 .0534 .0229 0 .0069 0
H1 .072 .276 -.387 .0540
H2 .078 .350 -.278 .0540
H3 .046 .266 -.028 .0423
H4 .069 0 -.256 .0612
H5 -.034 0 -.265 .0612
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