Tuscanite Mellini M, Merlino S, Rossi G American Mineralogist 62 (1977) 1114-1120 The crystal structure of tuscanite Note Sample from the pumice deposit in Pitigliano, Tuscany, Italy _database_code_amcsd 0000601 24.03 5.11 10.88 90 106.94 90 P2_1/a atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) K1 .0365 .7445 .2713 .51 .00146 .02050 .00577 -.00024 .00116 -.00011 Ca1 .1906 .7236 .1885 1.01 .00041 .00879 .00209 .00010 .00034 .00029 Ca2 .3554 .7252 .1472 .90 .00046 .01113 .00235 -.00018 .00039 .00070 Ca3 .3082 .2396 .4565 .99 .00035 .00657 .00149 .00029 .00022 -.00034 Si1 .4386 .2403 .0725 .63 .00025 .00500 .00112 -.00006 .00024 -.00018 Al1 .4386 .2403 .0725 .37 .00025 .00500 .00112 -.00006 .00024 -.00018 Si2 .4420 .2296 .3529 .63 .00031 .00510 .00096 .00008 .00022 .00018 Al2 .4420 .2296 .3529 .37 .00031 .00510 .00096 .00008 .00022 .00018 Si3 .4216 .7256 .4789 .63 .00031 .00560 .00096 .00001 .00022 .00003 Al3 .4216 .7256 .4789 .37 .00031 .00560 .00096 .00001 .00022 .00003 Si4 .1619 .2724 .3540 .63 .00036 .00590 .00106 .00017 .00022 .00018 Al4 .1619 .2724 .3540 .37 .00036 .00590 .00106 .00017 .00022 .00018 Si5 .0753 .2351 .0824 .63 .00026 .00475 .00102 -.00007 .00020 -.00022 Al5 .0753 .2351 .0824 .37 .00026 .00475 .00102 -.00007 .00020 -.00022 S .2692 .1979 .1403 .95 .00027 .00614 .00167 -.00008 .00025 -.00064 O1 .0969 .9179 .0505 .00054 .00760 .00150 .00011 .00018 -.00071 O2 .0070 .2297 .1003 .00034 .02060 .00290 -.00002 .00044 -.00047 O3 .4194 .9354 .0466 .00074 .00650 .00180 -.00016 .00064 -.00119 O4 .4191 .3459 .1948 .00046 .00950 .00160 .00043 .00032 .00037 O5 .4197 .9016 .3514 .00068 .00862 .00237 -.00009 .00059 .00028 O6 .0161 .2409 .4152 .00049 .02180 .00255 .00036 .00011 .00087 O7 .4027 .4228 .4342 .00054 .00835 .00248 -.00002 .00052 -.00115 O8 .3710 .8528 .5362 .00063 .00995 .00232 .00097 .00067 .00088 O9 .2200 .4482 .3948 .00040 .01000 .00234 -.00070 .00025 -.00032 O10 .1702 -.0351 .3520 .00139 .00801 .00201 .00106 .00060 .00079 O11 .1231 .3853 .2155 .00048 .00870 .00147 -.00022 .00002 .00046 O12 .2063 .1633 .0816 .00053 .02120 .00386 -.00063 .00030 .00199 O13 .3024 .1469 .0489 .00070 .01972 .00387 -.00087 .00089 -.00313 O14 .2819 .4639 .1968 .00075 .00930 .00400 -.00043 .00082 -.00142 O15 .2871 .0006 .2458 .00100 .01110 .00292 .00033 .00038 .00057