Pargasite Jenkins D M, Hawthorne F C The Canadian Mineralogist 33 (1995) 13-24 Synthesis and rietveld refinement of amphibole along the join Ca2Mg5Si8O22F2 - NaCa2Mg4Ga3Si6O22F2 Sample: PARG 7-1 Locality: Synthetic _database_code_amcsd 0005423 9.897 18.010 5.3059 90 105.165 90 C2/m atom x y z occ Biso SiT1 .2836 .0853 .3044 .67 .4 GaT1 .2836 .0853 .3044 .33 .4 SiT2 .2906 .1720 .8166 .90 .4 GaT2 .2906 .1720 .8166 .10 .4 MgM1 0 .0860 .5 .6 MgM2 0 .1786 0 .68 .6 GaM2 0 .1786 0 .32 .6 MgM3 0 0 0 .97 .6 CaM4 0 .2789 .5 .89 .9 MgM4 0 .2789 .5 .12 .9 NaA 0 .5 0 .80 2.3 O1 .1092 .0873 .2066 .8 O2 .1132 .1723 .7295 .8 F3 .1036 0 .7232 .8 O4 .3554 .2477 .7868 .8 O5 .3541 .1395 .1080 1.0 O6 .3423 .1148 .6284 1.0 O7 .3455 0 .2637 1.2