Prewittite Shuvalov R R, Vergasova L P, Semenova T F, Filatov S K, Krivovichev S V, Siidra O I, Rudashevsky N S American Mineralogist 98 (2013) 463-469 Prewittite, KPb1.5Cu6Zn(SeO3)2O2Cl10, a new mineral from Tolbachik fumaroles, Kamchatka peninsula, Russia: Description and crystal structure Locality: Tolbachik fumaroles, Kamchatka peninsula, Russia _database_code_amcsd 0019781 9.132 19.415 13.213 90 90 90 Pnnm atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) K1 .3982 .4456 .5 .22 .050 .0514 .0516 .0462 -.0069 0 0 K2 .5 0 .3409 .40 .0673 .0979 .0431 .0609 -.0106 0 0 Pb1 .5 0 .3409 .60 .0673 .0979 .0431 .0609 -.0106 0 0 Pb2 .4046 .09061 0 .85 .0435 .0497 .0413 .0395 -.0002 0 0 Zn .3971 .1928 .5 .0377 .0334 .0388 .0408 -.0008 0 0 Cu1 .3302 .1310 0 .15 .045 .0529 .0333 .0484 .0017 0 0 Cu2 .4242 .4248 0 .0413 .0626 .0316 .0297 .0117 0 0 Cu3 .4174 .26232 0 .0308 .0345 .0320 .0257 -.0016 0 0 Cu4 .0824 .30985 .3150 .0332 .0351 .0283 .0360 .0022 -.0037 -.0073 Cu5 .2302 .19533 .1792 .0312 .0308 .0314 .0314 .0020 .0017 -.0076 Se .4124 .34134 .22085 .0275 .0306 .0266 .0253 .0013 -.0007 .0026 O1 .4120 .1911 .1050 .031 .0361 .0268 .0299 .0009 -.0059 -.0004 O2 .0444 .2145 .2555 .032 .0355 .0325 .0281 .0043 -.0029 -.0036 O3 .2608 .2910 .2330 .031 .0264 .0254 .0422 .0022 -.0021 -.0044 O4 .4242 .3431 .0919 .035 .0411 .0309 .0342 -.0001 .0015 .0004 Cl1 0 0 .3768 .051 .0692 .0396 .0435 .0104 0 0 Cl2 .2211 .2788 .5 .043 .0412 .0458 .0418 .0077 0 0 Cl3 .1114 .2487 0 .041 .0401 .0450 .0374 -.0043 0 0 Cl4 .1611 .4495 0 .058 .0489 .0620 .0643 -.0069 0 0 Cl5 .1694 .0842 .1376 .0455 .0514 .0400 .0451 .0020 -.0009 -.0016 Cl6 .3606 .1341 .3546 .0495 .0591 .0478 .0416 .0024 -.0029 -.0072 Cl7 .1374 .4223 .3357 .0433 .0465 .0369 .0463 .0028 -.0026 -.0013