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#2 _database_code_amcsd 0002921 5.3257 9.2254 10.3070 90 99.926 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 .57616 .16672 .22873 .27 .86 0.0086 0.0095 0.0155 -0.0003 0.0046 0.0001 SiT .57616 .16672 .22873 .73 .86 0.0086 0.0095 0.0155 -0.0003 0.0046 0.0001 MgM1 0 .5 .5 .88 .79 0.0080 0.0075 0.0155 0 0.0051 0 FeM1 0 .5 .5 .12 .79 0.0080 0.0075 0.0155 0 0.0051 0 MgM2 0 .83241 .5 .89 .75 0.0072 0.0077 0.0145 0 0.0040 0 FeM2 0 .83241 .5 .11 .75 0.0072 0.0077 0.0145 0 0.0040 0 K 0 0 0 2.91 0.0387 0.0398 0.0328 0 0.0085 0 O1 .83088 .22634 .17177 1.80 0.0198 0.0275 0.0227 -0.0066 0.0076 -0.0036 O2 .50953 0 .17173 1.87 0.0295 0.0192 0.0219 0 0.0026 0 O3 .62998 .16682 .39159 .85 0.0108 0.0100 0.0121 0.0002 0.0043 -0.0007 O4 .13254 0 .39761 .95 0.0113 0.0111 0.0141 0 0.0039 0 H .130 0 .313 2.35