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: Mga1.2#1 _database_code_amcsd 0002925 5.3409 9.2536 10.3087 90 99.962 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 .57634 .16674 .22776 .26 1.31 0.0136 0.0119 0.0255 0.0005 0.0065 0.0014 SiT .57634 .16674 .22776 .74 1.31 0.0136 0.0119 0.0255 0.0005 0.0065 0.0014 MgM1 0 .5 .5 .74 1.26 0.0106 0.0112 0.0271 0 0.0067 0 FeM1 0 .5 .5 .26 1.26 0.0106 0.0112 0.0271 0 0.0067 0 MgM2 0 .83387 .5 .74 1.23 0.0140 0.0099 0.0239 0 0.0059 0 FeM2 0 .83387 .5 .26 1.23 0.0140 0.0099 0.0239 0 0.0059 0 K 0 0 0 3.67 0.0490 0.0494 0.041 0 0.0077 0 O1 .82827 .22845 .17024 2.28 0.0330 0.0289 0.0255 -0.0009 0.0075 -0.0056 O2 .51402 0 .17123 2.36 0.0346 0.0184 0.0352 0 0.0019 0 O3 .63027 .16727 .38943 1.34 0.0143 0.0136 0.0239 0.0013 0.0056 0.0035 O4 .13309 0 .39728 1.64 0.0127 0.0109 0.0397 0 0.0078 0 H .125 0 .309 2.35