Pargasite Sharma A, Jenkins D M American Mineralogist 84 (1999) 1304-1318 Hydrothermal synthesis of amphiboles along the tremolite-pargasite join and in the ternary system tremolite-pargasite-cummingtonite Sample: PARG 11-7 _database_code_amcsd 0002275 9.8929 17.944 5.2804 90 105.505 90 C2/m atom x y z occ Biso O1 .1116 .0864 .2218 .8 O2 .1173 .1726 .7274 .8 O3 .1078 0 .7226 .8 O4 .3605 .2500 .7826 .8 O5 .3537 .1414 .1296 1.1 O6 .3401 .1141 .6249 1.1 O7 .3461 0 .2784 1.2 Si1 .2822 .0855 .3082 .75 .4 Al1 .2822 .0855 .3082 .25 .4 Si2 .2888 .1722 .8113 .75 .4 Al2 .2888 .1722 .8113 .25 .4 Mg1 0 .0873 .5 .84 .6 Al1 0 .0873 .5 .16 .6 Mg2 0 .1765 .5 .84 .6 Al2 0 .1765 .5 .16 .6 Mg3 0 0 0 .84 .6 Al3 0 0 0 .16 .6 Ca4 0 .2794 .5 .93 .9 Mg4 0 .2794 .5 .07 .9 NaA 0 .5 0 .94 2.3