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 = 1.83 GPa _database_code_amcsd 0004251 5.298 9.183 14.23 90.22 97.21 89.95 C-1 atom x y z occ Uiso MgM1 0 0 0 .9 .0045 FeM1 0 0 0 .1 .0045 MgM2 .0010 .3335 -.0010 .9 .0044 FeM2 .0010 .3335 -.0010 .1 .0044 MgM3 -.0006 .1667 1/2 .9 .0037 FeM3 -.0006 .1667 1/2 .1 .0037 AlM4 0 .5 .5 .0031 Si1 .2310 .1670 .1915 .79 .0053 Al1 .2310 .1670 .1915 .21 .0053 Si2 .7311 .0005 .1931 .79 .0060 Al2 .7311 .0005 .1931 .21 .0060 O1 .1905 .1667 .077 .003 O2 .6935 .0005 .076 .006 O3 .2084 .3336 .233 .014 O4 .5137 .1028 .234 .016 O5 .0131 .0656 .232 .016 OH1 .6905 .3331 .077 .006 OH2 .1450 -.0001 .427 .015 OH3 .141 .3344 .428 .016 OH4 .6409 .1649 .428 .012