Rickturnerite Rumsey M S, Krivovichev S V, Siidra O I, Kirk C A, Stanley C J, Spratt J Mineralogical Magazine 76 (2012) 59-73 Rickturnerite, Pb7O4[Mg(OH)4](OH)Cl3, a complex new lead oxychloride mineral Locality: Torr Works (Merehead) quarry, Cranmore, Somerset, United Kingdom _database_code_amcsd 0018663 5.8034 11.3574 12.9393 90 90 90 Pmm2 atom x y z occ Uiso Pb1 .5 .7746 .60117 .0168 Pb2 0 .7669 .1011 .0317 Pb3 0 .7762 .8001 .0246 Pb4 0 0 .6033 .0191 Pb5 .5 0 .8000 .0175 Pb6 .5 .7673 .2988 .0468 Pb7 .5 0 .1031 .0265 Pb8 0 0 .2991 .0355 Pb9 .5 .5 .0015 .8 .0387 Pb10 .5 .5 .072 .1 .022 Pb11 0 .5 .4064 .78 .0288 Pb12 0 .5 .4913 .22 .02 Pb13 0 .5 .007 .1 .02 Cl1 0 .750 .4604 .049 Cl2 .5 .7498 .9618 .016 Cl3 0 0 .9692 .012 Cl4 .5 0 .4624 .036 Mg .752 .5 .700 .024 O1 .743 .8756 .706 .018 O2 .754 .8687 .201 .035 OH1 0 .371 .670 .034 OH2 .5 .387 .718 .034 OH3 .802 .5 .848 .034 OH4 .311 .5 .528 .034 OH5 .5 .626 .179 .51 .01 OH6 .782 .577 .210 .25 .01