Krivovichevite Krivovichev S V, Armbruster T, Yakovenchuk V N The Canadian Mineralogist 47 (2009) 153-158 The crystal structure of krivovichevite, Pb3[Al(OH)6](SO4)(OH) Locality: Mt. Lepkhe-Nelm, Lovozero alkaline massif, Kola Peninsula, Russia _database_code_amcsd 0006276 7.742 7.742 32.082 90 90 120 R3c atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Pb .31619 .27974 .85506 .0154 .0168 .0141 .0161 .0083 .0018 .0012 Al 0 0 .9403 .012 .012 .012 .012 .0060 0 0 S 2/3 1/3 .9359 .014 .014 .014 .015 .0071 0 0 OH1 -.0221 .1852 .9033 .017 .024 .013 .024 .017 .003 .005 OH2 .0356 -.1776 .9761 .017 .017 .017 .014 .006 .000 .001 OH3 0 0 .8259 .019 .017 .017 .022 .008 0 0 O4 2/3 1/3 .8894 .021 .020 .020 .024 .010 0 0 O5 .5547 .1231 .9506 .017 .009 .012 .026 .001 -.002 .006