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(11) _database_code_amcsd 0001596 9.859 18.049 5.316 90 103.69 90 C2/m atom x y z occ Biso O1 .1126 .0884 .2097 .71 O2 .1207 .1709 .7324 .76 OH3 .1099 0 .7083 .15 1.07 F .1099 0 .7083 .85 1.07 O4 .3643 .2484 .7970 1.05 O5 .3491 .1278 .0795 .88 O6 .3419 .1189 .5780 .90 O7 .3375 0 .2940 1.00 SiT1 .2805 .0851 .2901 .995 .46 AlT1 .2805 .0851 .2901 .005 .46 SiT2 .2898 .1700 .7989 .995 .46 AlT2 .2898 .1700 .7989 .005 .46 MgM1 0 .0908 .5 .210 .58 Fe2+M1 0 .0908 .5 .500 .58 MnM1 0 .0908 .5 .290 .58 Fe2+M2 0 .1824 0 .500 .55 Fe3+M2 0 .1824 0 .440 .55 TiM2 0 .1824 0 .060 .55 LiM3 0 0 0 .250 .63 MgM3 0 0 0 .200 .63 Fe2+M3 0 0 0 .330 .63 MnM3 0 0 0 .220 .63 NaM4 0 .2761 .5 .915 1.35 CaM4 0 .2761 .5 .03 1.35 MnM4 0 .2761 .5 .055 1.35 KA 0 .5 0 .039 4.39 NaA 0 .5 0 .205 4.39 KAm .0440 .5 .0981 .056 3.34 NaAm .0440 .5 .0981 .294 3.34 KA2 0 .4694 0 .004 2.49 NaA2 0 .4694 0 .020 2.49