Hyttsjoite Grew E S, Peacor D R, Rouse R C, Yates M G, Su S-C, Marquez N American Mineralogist 81 (1996) 743-753 Hyttsjoite, a new, complex layered plumbosilicate with unique tetrahedral sheets from Langban, Sweden Note: U(1,2) for Ca3 and Fe changed to match symmetry constraints. _database_code_amcsd 0001799 9.865 9.865 79.45 90 90 120 R-3 atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Pb1 .6784 .1188 .64931 .0121 .0167 .0153 .0051 .0009 .0006 Pb2 .0703 .3986 .18584 .0158 .0087 .0150 .0062 -.0001 -.0011 Pb3 .4469 .0800 .73591 .0188 .0178 .0130 .0118 .0003 .0010 Ba 0 0 .08632 .012 .012 .016 .006 0 0 Ca1 0 0 0 .008 .008 .027 .004 0 0 Ca2 0 0 .7872 .022 .022 .031 .011 0 0 Ca3 0 0 .8309 .009 .009 .012 .0045 0 0 Fe 0 0 .1306 .009 .009 .017 .0045 0 0 Mn 0 0 .0400 .012 .012 .020 .006 0 0 Si1 0 0 .4365 .002 .002 .010 .001 0 0 Si2 .2556 .3463 .7260 .004 .015 .007 .005 .001 -.001 Si3 .3538 .0862 .1443 .006 .009 .020 .005 -.001 .001 Si4 0 0 .6482 .002 .002 .014 .001 0 0 Si5 .5824 .5923 .3082 .011 .015 .008 .011 0 -.003 Si6 .5784 .0034 .2224 .011 .018 .006 .011 -.002 -.003 Si7 0 0 .2773 .005 Cl 0 0 .5 .029 O1 .520 .871 .4364 .028 O2 .194 .468 .7228 .005 O3 .898 .071 .4441 .013 O4 .247 .319 .1748 .010 O5 .593 .452 .2174 .004 O6 .324 .982 .2902 .010 O7 .051 .331 .3222 .015 O8 .899 .825 .2700 .015 O9 .176 .068 .3595 .005 O10 .718 .204 .1860 .005 O11 .371 .018 .1258 .029 O12 0 0 .4168 .004 O13 .192 .059 .1898 .010 O14 .856 .425 .3118 .016 O15 .626 .600 .2588 .015 O16 .663 .033 .2395 .035 O17 0 0 .3306 .02 O18 0 0 .2968 .01