Pitiglianoite Merlino S, Mellini M, Bonaccorsi E, Pasero M, Leoni L, Orlandi P American Mineralogist 76 (1991) 2003-2008 Pitiglianoite, a new feldspathoid from southern Tuscany, Italy: Chemical composition and crystal structure _database_code_amcsd 0001438 22.121 22.121 5.221 90 90 120 P6_3 atom x y z occ Uiso Si1 .8334 .2506 .2864 .0069 Si2 .9141 .4983 .7875 .0082 Si3 .9159 .7503 .7865 .0082 Al1 .9144 .1650 .2858 .0072 Al2 .9183 .4205 .2876 .0082 Al3 .8298 .5828 .7891 .0100 O1 .8673 .5334 .7190 .014 O2 .9988 .7978 .7183 .013 O3 .8694 .3332 .2188 .014 O4 .8947 .6691 .7654 .021 O5 .9956 .5592 .7669 .025 O6 .8939 .2302 .2570 .019 O7 .7703 .2090 .0842 .019 O8 .8944 .4344 .5875 .013 O9 .8977 .1256 .5829 .012 O10 .8945 .4639 .0721 .017 O11 .8686 .0978 .0701 .018 O12 .7995 .2373 .5719 .019 Na .3342 .3334 .6619 .037 Wat1 .3091 .3072 .2324 .333 .073 Wat2 .3618 .3290 .2285 .333 .035 Wat3 .3373 .3509 .2238 .333 .091 K1 .7790 .4461 .3241 .667 .032 Na1 .7790 .4461 .3241 .333 .032 Na1 .6660 .4844 .8171 .022 S1 2/3 1/3 .8207 .038 OA1 .7041 .3444 .5860 .333 .20 OB1 .7241 .3319 .9715 .095 K2 .9997 .1119 .8286 .667 .0285 Na2 .9997 .1119 .8286 .333 .0285 Na2 .8495 -.0001 .3219 .0164 S2 0 0 .3375 .5 .036 OA2 .0269 .0387 .5661 .167 .13 OB2 .0584 .0569 .1804 .5 .104