TY - JOUR T1 - A Comparative Crystallographical Study of the Double Selenates of the Series R$_{2}$M(SeO$_{4}$)$_{2}$,6H$_{2}$O. Part II. Salts in Which M is Magnesium JF - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934) VL - 197 SP - 255 EP - 284 PY - 1901/01/01/ UR - http://dx.doi.org/10.1098/rsta.1901.0019 M3 - doi:10.1098/rsta.1901.0019 AU - Tutton, A. ER -