Graeserite Biagioni C, Bonaccorsi E, Perchiazzi N, Halenius U, Zaccarini F Mineralogical Magazine 84 (2020) 766-777 Derbylite and graeserite from the Monte Arsiccio mine, Apuan Alps, Tuscany, Italy: occurrence and crystal-chemistry Note: Sample G Locality: Monte Arsiccio mine, Apuan Alps, Italy _database_code_amcsd 0020900 5.0275 14.2668 7.1663 90 105.123 90 C2/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) TiM1 0 .5 .5 .83 .01097 .0088 .0087 .0138 .000 .00018 .000 FeM1 0 .5 .5 .17 .01097 .0088 .0087 .0138 .000 .00018 .000 TiM2 -.5 .61941 .5 .584 .00841 .00804 .00897 .00818 .000 .00201 .000 FeM2 -.5 .61941 .5 .416 .00841 .00804 .00897 .00818 .000 .00201 .000 TiM3 -.37935 .80937 .81408 .587 .00844 .00833 .00952 .00780 .00090 .00267 .00185 FeM3 -.37935 .80937 .81408 .413 .00844 .00833 .00952 .00780 .00090 .00267 .00185 As -.24326 .5 .91447 .484 .01147 .0185 .0080 .0063 .000 .00049 .000 Sb -.24326 .5 .91447 .016 .01147 .0185 .0080 .0063 .000 .00049 .000 O1 -.2695 .90220 .66086 .0106 .0113 .0091 .0108 .0001 .0019 .0017 O2 -.2676 .70296 .67771 .0107 .0107 .0116 .0095 .0008 .0023 -.0006 O3 -.5 .71360 0 .0086 .0084 .0105 .0072 .000 .0025 .000 O4 -.5 .90412 0 .0144 .0168 .0086 .0168 .000 .0028 .000 O5 -.2771 .5 .6473 .0111 .0117 .0113 .0117 .000 .0058 .000 Ba1 -.5 .5 0 .232 .0099 Pb2 -.4583 .5 .9395 .0444 .0220