Piemontite Nagashima M, Armbruster T, Akasaka M, Minakawa T Journal of Mineralogical and Petrological Sciences 105 (2010) 142-150 Crystal chemistry of Mn2+-, Sr-rich and REE-bearing piemontite from the Kamisugai mine in the Sambagawa metamorphic belt, Shikoku, Japan Locality: Kamisugai mine, Sambagawa metamorphic belt, Shikoku, Japan _database_code_amcsd 0018299 8.8673 5.6747 10.1594 90 114.719 90 P2_1/m atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CaAl .7574 .75 .1527 .59 .0157 .0212 .0128 .0171 0 .0119 0 MnAl .7574 .75 .1527 .41 .0157 .0212 .0128 .0171 0 .0119 0 CaA2 .5950 .75 .42469 .71 .0087 .0069 .0124 .0056 0 .0015 0 SrA2 .5950 .75 .42469 .19 .0087 .0069 .0124 .0056 0 .0015 0 LaA2 .5950 .75 .42469 .03 .0087 .0069 .0124 .0056 0 .0015 0 CeA2 .5950 .75 .42469 .05 .0087 .0069 .0124 .0056 0 .0015 0 NdA2 .5950 .75 .42469 .02 .0087 .0069 .0124 .0056 0 .0015 0 AlMl 0 0 0 .72 .0085 .0090 .0056 .0103 -.0005 .0033 .0004 MnMl 0 0 0 .17 .0085 .0090 .0056 .0103 -.0005 .0033 .0004 FeMl 0 0 0 .77 .0085 .0090 .0056 .0103 -.0005 .0033 .0004 AlM2 0 0 .5 .0088 .0086 .0062 .0119 -.0002 .0045 -.0007 AlM3 .2999 .25 .2193 .11 .0096 .0087 .0082 .0096 0 .0015 0 MnM3 .2999 .25 .2193 .55 .0096 .0087 .0082 .0096 0 .0015 0 FeM3 .2999 .25 .2193 .34 .0096 .0087 .0082 .0096 0 .0015 0 Sil .3433 .75 .0428 .0102 .0100 .0089 .0114 0 .0043 0 Si2 .6890 .25 .2757 .0103 .0106 .0084 .0125 0 .0056 0 Si3 .1854 .75 .3193 .0097 .0100 .0097 .0107 0 .0057 0 O1 .2368 .9927 .0347 .0165 .018 .009 .026 .002 .012 .001 O2 .3066 .9782 .3545 .0148 .014 .016 .015 -.003 .007 -.001 O3 .8009 .0143 .3340 .0165 .013 .008 .022 .001 .001 .000 O4 .0563 .25 .1305 .0127 .015 .011 .013 0 .007 0 O5 .0411 .75 .1492 .0136 .012 .013 .015 0 .005 0 O6 .0742 .75 .4140 .0125 .015 .009 .018 0 .012 0 O7 .5170 .75 .1785 .019 .016 .017 .016 0 .001 0 O8 .5340 .25 .3201 .020 .017 .025 .026 0 .016 0 O9 .6163 .25 .0999 .024 .028 .033 .014 0 .011 0 O10 .0885 .25 .4329 .87 .0117 .013 .010 .016 0 .010 0 H10 .03 .25 .327 .87 .05