Pumpellyite-(Mn2+) Artioli G, Pavese A, Bellotto M, Collins S P, Lucchetti G American Mineralogist 81 (1996) 603-610 Mn crystal chemistry in pumpellyite: A resonant scattering powder diffraction Rietveld study using synchrotron radiation Sample: SN5 _database_code_amcsd 0001794 8.8330 5.9153 19.1009 90 97.154 90 A2/m atom x y z occ Uiso Si1 .0428 0 .0896 .0245 Si2 .1649 0 .2490 .0245 Si3 .4512 0 .4018 .0245 MgX .5 .25 .25 .290 .0305 AlX .5 .25 .25 .442 .0305 MnX .5 .25 .25 .268 .0305 AlY .2478 .2483 .4950 .897 .0305 MnY .2478 .2483 .4950 .103 .0305 Ca1 .2527 .5 .3388 .0245 Ca2 .1925 .5 .1548 .0245 O1 .1360 .2296 .0714 .0107 O2 .2703 .2264 .2496 .0107 O3 .3608 .2268 .4154 .0107 O4 .1349 .5 .4460 .0107 OH5 .1283 0 .4575 .0107 O6 .3743 .5 .0477 .0107 OH7 .3753 0 .0320 .0107 O8 .0439 0 .1767 .0107 O9 .4761 .5 .1768 .0107 OH10 .0677 0 .3173 .0107 OH11 .5045 .5 .3155 .0107