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(8) _database_code_amcsd 0001593 9.816 18.004 5.325 90 103.72 90 C2/m atom x y z occ Biso O1 .1113 .0905 .2073 .67 O2 .1201 .1720 .7365 .70 O3 .1116 0 .7081 .40 1.00 F .1116 0 .7081 .60 1.00 O4 .3653 .2490 .8000 .91 O5 .3498 .1282 .0811 .89 O6 .3407 .1203 .5783 .88 O7 .3340 0 .2979 .94 SiT1 .2801 .0857 .2906 .985 .48 AlT1 .2801 .0857 .2906 .015 .48 SiT2 .2903 .1704 .8012 .985 .47 AlT2 .2903 .1704 .8012 .015 .47 MgM1 0 .0906 .5 .100 .61 Fe2+M1 0 .0906 .5 .680 .61 MnM1 0 .0906 .5 .220 .61 Fe2+M2 0 .1826 0 .130 .55 Fe3+M2 0 .1826 0 .770 .55 TiM2 0 .1826 0 .050 .55 ZnM2 0 .1826 0 .050 .55 LiM3 0 0 0 .360 .62 Fe2+M3 0 0 0 .410 .62 MnM3 0 0 0 .230 .62 NaM4 0 .2776 .5 1.24 KA 0 .5 0 .095 6.30 NaA 0 .5 0 .182 6.30 KAm .0480 .5 .1055 .075 2.96 NaAm .0480 .5 .1055 .144 2.96 H .1965 0 .7329 .40 4.79