Mcguinnessite Perchiazzi N Zeitschrift fur Kristallographie Supplement 23 (2006) 505-510 Crystal structure determination and Rietveld refinement of rosasite and mcguinnessite Locality: Red Mountain, California, USA _database_code_amcsd 0011133 12.9181 9.3923 3.1622 90 111.233 90 P2_1/a atom x y z occ Uiso Cu1 .2117 -.0043 .446 .79 .0147 Mg1 .2117 -.0043 .446 .21 .0147 Mg2 .3920 .2283 .179 .85 .0196 Cu2 .3920 .2283 .179 .15 .0196 C .1374 .2705 .6614 .083 O1 .1311 .1360 .724 .042 O2 .2289 .3361 .8708 .027 O3 .0477 .3431 .490 .033 OH4 .3518 .0907 .614 .033 OH5 .4235 .3769 -.257 .012