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 F Locality: Monte Arsiccio mine, Apuan Alps, Italy _database_code_amcsd 0020901 5.0225 14.3114 7.1743 90 104.878 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 .0102 .0096 .0073 .0128 .000 .0012 .000 TiM2 -.5 .61918 .5 .71 .0086 .0064 .0083 .0110 .000 .0017 .000 FeM2 -.5 .61918 .5 .29 .0086 .0064 .0083 .0110 .000 .0017 .000 TiM3 -.3810 .80959 .81403 .91 .0087 .0074 .0090 .0095 .0015 .0019 .0027 FeM3 -.3810 .80959 .81403 .09 .0087 .0074 .0090 .0095 .0015 .0019 .0027 As -.253 .5 .914 .345 .012 .022 .0071 .006 .000 .003 .000 Sb -.306 .5 .930 .155 .012 .022 .0071 .006 .000 .003 .000 O1 -.2712 .9021 .6618 .0157 .018 .012 .017 -.001 .004 .002 O2 -.2674 .7034 .6785 .0141 .010 .016 .016 .002 .002 .001 O3 -.5 .7122 0 .0120 .017 .008 .011 .000 .003 .000 O4 -.5 .9017 0 .0161 .017 .008 .024 .000 .007 .000 O5 -.2801 .5 .6486 .0172 .018 .018 .017 .000 .008 .000 Ba -.493 .5 -.0123 .116 .0096