Hendricksite Robert J L, Gasperin M Tschermaks Mineralogische und Petrographische Mitteilungen 34 (1985) 1-14 Crystal structure refinement of hendricksite, a Zn- and Mn-rich trioctahedral potassium mica: a contribution to the crystal chemistry of zinc-bearing minerals Locality: Franklin Furnace, New Jersey, USA Note: polytype 1M _database_code_amcsd 0015700 5.340 9.254 10.235 90 100.07 90 C2/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) KA 0 0 0 .89 2.4 .02134 .00697 .00600 0 .00302 0 NaA 0 0 0 .10 .3 .02134 .00697 .00600 0 .00302 0 BaA 0 0 0 .01 .3 .02134 .00697 .00600 0 .00302 0 Mg1 0 .5 .5 .524 .3 .00063 .00085 .00150 0 .00070 0 Zn1 0 .5 .5 .18 .3 .00063 .00085 .00150 0 .00070 0 Mn1 0 .5 .5 .1334 .3 .00063 .00085 .00150 0 .00070 0 Fe1 0 .5 .5 .084 .3 .00063 .00085 .00150 0 .00070 0 Ti1 0 .5 .5 .024 .3 .00063 .00085 .00150 0 .00070 0 Al1 0 .5 .5 .0192 .3 .00063 .00085 .00150 0 .00070 0 Cr1 0 .5 .5 .002 .3 .00063 .00085 .00150 0 .00070 0 Mg2 0 .8317 .5 .524 .3 .00072 .00066 .00160 0 .00037 0 Zn2 0 .8317 .5 .18 .3 .00072 .00066 .00160 0 .00037 0 Mn2 0 .8317 .5 .1334 .3 .00072 .00066 .00160 0 .00037 0 Fe2 0 .8317 .5 .084 .3 .00072 .00066 .00160 0 .00037 0 Ti2 0 .8317 .5 .024 .3 .00072 .00066 .00160 0 .00037 0 Al2 0 .8317 .5 .0192 .3 .00072 .00066 .00160 0 .00037 0 Cr2 0 .8317 .5 .002 .3 .00072 .00066 .00160 0 .00037 0 Si .5750 .1668 .2252 .73 .6 .00416 .00170 .00189 -.00049 .00108 .00000 Al .5750 .1668 .2252 .27 .6 .00416 .00170 .00189 -.00049 .00108 .00000 O1 .8242 .2331 .1674 1.6 .01338 .00650 .00290 -.00184 .00311 -.00067 O2 .5211 0 .1671 1.7 .01980 .00471 .00300 0 .00108 0 O3 .6313 .1663 .3898 .7 .00443 .00206 .00189 -.00104 .00000 -.00018 OH .1297 0 .3949 .7 .00244 .00198 .00251 0 .00000 0