Clinochlore Zanazzi P F, Montagnoli M, Nazzareni S, Comodi P American Mineralogist 91 (2006) 1871-1878 Structural effects of pressure on chlorite: A single-crystal study Locality: Alpe Reguzzolo, Val Malenco, Italy Sample: P = 4.25 GPa _database_code_amcsd 0004253 5.2618 9.114 14.106 90.12 97.20 89.97 C-1 atom x y z occ Uiso MgM1 0 0 0 .9 .005 FeM1 0 0 0 .1 .005 MgM2 0 .3329 -.0005 .9 .0062 FeM2 0 .3329 -.0005 .1 .0062 MgM3 -.0015 .1671 .4994 .9 .006 FeM3 -.0015 .1671 .4994 .1 .006 AlM4 0 .5 .5 .006 Si1 .2300 .1673 .191 .79 .006 Al1 .2300 .1673 .191 .21 .006 Si2 .7304 .0005 .191 .79 .007 Al2 .7304 .0005 .191 .21 .007 O1 .192 .1661 .079 .012 O2 .694 .0012 .080 .012 O3 .200 .3339 .238 .015 O4 .521 .1066 .238 .018 O5 .019 .0620 .238 .016 OH1 .697 .3323 .082 .006 OH2 .143 -.0014 .424 .012 OH3 .137 .3346 .422 .012 OH4 .641 .1654 .422 .009