View changes made in:
  • Sep 6, 2020
    • Pickeringite
      • RRUFF Ideal Chemistry changed from "MgAl2(SO4)4·22H2O" to "MgAl2(S6+O4)4·22H2O"
  • Jul 9, 2010
    • Pickeringite
      • Mineral Comment changed to

        Hayes A A (1844) Description and analysis of pickeringite, a native magnesian alum, The American Journal of Science and Arts 46, 360-362

  • Apr 10, 2007
    • Pickeringite
      • IMA Ideal Chemistry changed to "MgAl2(SO4)4·22H2O"
  • May 10, 2006
    • Pickeringite
      • RRUFF Ideal Chemistry changed from "MgAl2(SO4)4·22(H2O)" to "MgAl2(SO4)4·22H2O"