Sigloite
Hawthorne F C
Mineralogy and Petrology 38 (1988) 201-211
Sigloite: The oxidation mechanism in [M2(PO4)2(OH)2(H21O)2] structures
Locality: Siglo XX Mine, Llallagau, Bolivia
_database_code_amcsd 0014617
5.190 10.419 7.033 105.00 111.31 70.87 P-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)
Fe    .0185  .0012 -.0066  .5 .0195
Al1       0     .5      0            .0104  .0174  .0061 -.0080  .0027  .0032
Al2       0     .5     .5            .0110  .0197  .0057 -.0073  .0025  .0037
P     .3311  .6693  .9107            .0092  .0156  .0080 -.0059  .0028  .0039
O1    .1692  .6438  .0357            .0150  .0212  .0108 -.0103  .0061  .0028
O2    .2883  .5796  .6971            .0125  .0240  .0091 -.0098  .0037  .0036
O3    .2191  .8229  .8842            .0233  .0192  .0213 -.0054  .0102  .0093
O4    .3464  .3607  .9692            .0101  .0238  .0096 -.0077  .0030  .0032
OH5   .1374  .5028  .2899            .0111  .0249  .0072 -.0082  .0032  .0051
O6    .2518  .3188  .5546            .0173  .0252  .0112 -.0049  .0043  .0058
Wat7A .2917  .9843  .2912  .5  .027
Wat7B .3622  .0105  .2388  .5  .027
OH8A  .2306  .0959  .9359  .5  .026
Wat8B .1277  .1005  .8381  .5  .026
Wat9A .2185  .8120  .4837  .5  .025
Wat9B .3071  .8638  .5538  .5  .025
H6A    .410   .276   .530       .01
H6B    .294   .321   .659       .01