Mica Comodi P, Drabek M, Montagnoli M, Rieder M, Weiss Z, Zanazzi P F Physics and Chemistry of Minerals 30 (2003) 198-205 Pressure-induced phase transition in synthetic trioctahedral Rb-mica Sample: P = .0001 GPa, data collected at room conditions in the DAC _database_code_amcsd 0008758 5.478 9.489 10.521 90 99.95 90 C2/m atom x y z occ Uiso Rb 0 .5 0 .99 .021 FeM1 0 0 .5 .011 FeM2 0 .3321 .5 .0115 FeT .0761 .1665 .2291 .2675 .0152 SiT .0761 .1665 .2291 .74 .0152 O1 .040 0 .172 .040 O2 .316 .243 .173 .037 O3 .131 .167 .391 .013 OH .133 .5 .410 .014