Piemontite Bonazzi P, Garbarino C, Menchetti S European Journal of Mineralogy 4 (1992) 23-33 Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy Sample: BR2H Locality: Monte Brugiana, Alpi Apuane, Italy _database_code_amcsd 0006437 8.845 5.668 10.152 90 115.35 90 P2_1/m atom x y z occ Uiso CaA1 .7550 .75 .1511 .865 .0103 MnA1 .7550 .75 .1511 .2025 .0103 CaA2 .5985 .75 .4254 .865 .0135 SrA2 .5985 .75 .4254 .04 .0135 LaA2 .5985 .75 .4254 .02 .0135 CeA2 .5985 .75 .4254 .02 .0135 PrA2 .5985 .75 .4254 .002 .0135 NdA2 .5985 .75 .4254 .01 .0135 AlM1 0 0 0 .6266 .0069 MgM1 0 0 0 .0033 .0069 MnM1 0 0 0 .2025 .0069 FeM1 0 0 0 .17 .0069 AlM2 0 0 .5 .6266 .0057 MgM2 0 0 .5 .0033 .0057 MnM2 0 0 .5 .2025 .0057 FeM2 0 0 .5 .17 .0057 AlM3 .2977 .25 .2226 .6266 .0071 MgM3 .2977 .25 .2226 .0033 .0071 MnM3 .2977 .25 .2226 .2025 .0071 FeM3 .2977 .25 .2226 .17 .0071 Si1 .3424 .75 .0462 .99 .0060 Si2 .6865 .25 .2733 .99 .0063 Si3 .1866 .75 .3200 .99 .0053 O1 .2347 .9925 .0368 .0100 O2 .3075 .9803 .3558 .0085 O3 .7997 .0160 .3341 .0105 O4 .0582 .25 .1309 .0068 O5 .0427 .75 .1475 .0082 O6 .0735 .75 .4125 .0078 O7 .5156 .75 .1831 .0113 O8 .5313 .25 .3154 .0120 O9 .6166 .25 .0961 .0153 O10 .0890 .25 .4347 .0074 H .069 .25 .357 .02