Fluor-arfvedsonite Hawthorne F C, Ungaretti L, Oberti R, Bottazzi P, Czamanske G K American Mineralogist 78 (1993) 733-745 Li: an important component in igneous alkali amphiboles Locality: Questa caldera, New Mexico Sample: A(9) _database_code_amcsd 0001594 9.815 18.016 5.329 90 103.71 90 C2/m atom x y z occ Biso O1 .1111 .0909 .2071 .67 O2 .1202 .1721 .7376 .70 O3 .1119 0 .7082 .30 1.12 F .1119 0 .7082 .70 1.12 O4 .3656 .2490 .8001 .86 O5 .3496 .1283 .0814 .85 O6 .3404 .1203 .5781 .86 O7 .3332 0 .2985 .94 SiT1 .2801 .0858 .2908 .985 .47 AlT1 .2801 .0858 .2908 .015 .47 SiT2 .2903 .1704 .8018 .985 .46 AlT2 .2903 .1704 .8018 .015 .46 MgM1 0 .0906 .5 .090 .63 Fe2+M1 0 .0906 .5 .640 .63 MnM1 0 .0906 .5 .270 .63 Fe2+M2 0 .1827 0 .100 .56 Fe3+M2 0 .1827 0 .810 .56 TiM2 0 .1827 0 .040 .56 ZnM2 0 .1827 0 .050 .56 LiM3 0 0 0 .330 .63 Fe2+M3 0 0 0 .420 .63 MnM3 0 0 0 .250 .63 NaM4 0 .2780 .5 1.20 KA 0 .5 0 .113 8.03 NaA 0 .5 0 .178 8.03 KAm .0443 .5 .1041 .072 3.22 NaAm .0443 .5 .1041 .113 3.22 H .2020 0 .7780 .30 1.33