Despujolsite Mereiter K, Walter F, Bojar H P Mineralogy and Petrology 117 (2023) s00710-023-00837-y Mallestigite, Pb3Sb(SO4)(AsO4)(OH)6ยท3H2O, from the type locality - new data, crystal structure, and structural relationships Note: refined with the structure factors from Barkley et al (2011) Locality: N'Chwaning III mine, Kalahari Manganese Field, South Africa _database_code_amcsd 0021226 8.5405 8.5405 10.8094 90 90 120 P6_3/mmc atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mn 0 0 0 .00849 .00923 .00923 .00702 .00461 0 0 Ca .15175 .30350 .25 .01089 .01254 .00900 .00996 .00450 0 0 S 1/3 2/3 .02545 .00937 .00997 .00997 .00815 .00499 0 0 O1 1/3 2/3 -.11154 .01666 .02114 .02114 .00770 .01057 0 0 O2 .23918 .47837 .06887 .01887 .02401 .01059 .01752 .00530 .00160 .00320 O3H .89895 .10105 .11072 .01153 .01274 .01274 .01095 .00776 -.00013 .00013 O4W .50750 .49250 .25 .01845 .02386 .02386 .01377 .01653 0 0 H1 .85462 .14538 .07534 .02980 H2 .53919 .46081 .19384 .05604