Citation: Lavina, B.; Dera, P.; Downs, R. T.; Yang, W.; Sinogeikin, S.; Meng, Y.; Shen, G.; Schiferl, D. (2010). Structure of siderite FeCO3 to 56 GPa and hysteresis of its spin-pairing transition Note: run P27-2, P = 55.0 GPa. Physical Review B, 82, pp. 064110-064118.