Phlogopite Redhammer G J, Roth G American Mineralogist 87 (2002) 1464-1476 Single-crystal structure refinements and crystal chemistry of synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where M = Ni, Mg, Co, Fe, Al Sample: A20#4 _database_code_amcsd 0002922 5.3245 9.2245 10.3050 90 99.927 90 C2/m atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) AlT .57621 .16690 .22879 .27 .65 0.0056 0.0093 0.0099 -0.0001 0.0018 -0.0001 SiT .57621 .16690 .22879 .73 .65 0.0056 0.0093 0.0099 -0.0001 0.0018 -0.0001 MgM1 0 .5 .5 .90 .57 0.0046 0.0075 0.0102 0 0.0030 0 FeM1 0 .5 .5 .10 .57 0.0046 0.0075 0.0102 0 0.0030 0 MgM2 0 .83248 .5 .90 .57 0.0033 0.0089 0.0096 0 0.0018 0 FeM2 0 .83248 .5 .10 .57 0.0033 0.0089 0.0096 0 0.0018 0 K 0 0 0 2.62 0.0350 0.0385 0.0260 0 0.0048 0 O1 .82982 .22710 .17142 1.41 0.0161 0.0251 0.0133 -0.0053 0.0045 -0.0025 O2 .51106 0 .17167 1.46 0.0219 0.0163 0.0166 0 0.0015 0 O3 .63084 .16673 .39157 .74 0.0076 0.0119 0.0088 0.0001 0.0024 -0.0013 O4 .13284 0 .39918 .97 0.0125 0.0152 0.0088 0 0.0003 0 H .093 0 .325 2.35