View changes made in:
  • Jun 19, 2021
    • Retzian-(Ce)
      • Mineral Comment changed from

        Sjogren H (1894) Retzian, a new arseniate from the Mossgrufva, Nordmark. Bulletin of the Geological Institution of the University of Upsala 2, 54-59

        Chemical composition changed from Mn2+2Y(AsO4)(OH)4 to Mn2+2Ce(AsO4)(OH)4:
        Dunn P J, Sturman B D (1982) Retzian-(Nd), a new mineral from Sterling Hill, New Jersey and a redefinition of retzian, American Mineralogist 67, 841-845

        Name changed from retzian to retzian-(Ce):
        Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist 72, 1031-1042

        to

        Sjogren H (1894) Retzian, a new arseniate from the Mossgrufva, Nordmark. Bulletin of the Geological Institution of the University of Upsala 2, 54-59

        Chemical formula changed from Mn2+2Y(AsO4)(OH)4 to Mn2+2Ce(AsO4)(OH)4:
        Dunn P J, Sturman B D (1982) Retzian-(Nd), a new mineral from Sterling Hill, New Jersey and a redefinition of retzian, American Mineralogist 67, 841-845

        Name changed from retzian to retzian-(Ce):
        Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist 72, 1031-1042

  • Jun 13, 2021
    • Retzian-(Ce)
      • Mineral Comment changed from

        Redefined:
        Dunn P J, Sturman B D (1982) Retzian-(Nd), a new mineral from Sterling Hill, New Jersey and a redefinition of retzian, American Mineralogist 67, 841-845

        Name changed from retzian:
        Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist 72, 1031-1042

        to

        Sjogren H (1894) Retzian, a new arseniate from the Mossgrufva, Nordmark. Bulletin of the Geological Institution of the University of Upsala 2, 54-59

        Chemical composition changed from Mn2+2Y(AsO4)(OH)4 to Mn2+2Ce(AsO4)(OH)4:
        Dunn P J, Sturman B D (1982) Retzian-(Nd), a new mineral from Sterling Hill, New Jersey and a redefinition of retzian, American Mineralogist 67, 841-845

        Name changed from retzian to retzian-(Ce):
        Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist 72, 1031-1042

  • Jun 1, 2021
    • Retzian-(Ce)
      • RRUFF Ideal Chemistry changed from "Mn2+2Ce3+As5+O4(OH)4" to "Mn2+2CeAs5+O4(OH)4"
  • Nov 15, 2017
  • Oct 13, 2017
    • Retzian-(Ce)
      • IMA Ideal Chemistry changed from "Mn2+2CeAsO4(OH)4" to "Mn2+2Ce(AsO4)(OH)4"
  • Dec 22, 2013
    • Retzian-(Ce)
      • RRUFF Ideal Chemistry changed from "Mn2+2CeAsO4(OH)4" to "Mn2+2Ce3+As5+O4(OH)4"
  • May 14, 2006
    • Retzian-(Ce)
      • IMA Ideal Chemistry changed to "Mn2+2CeAsO4(OH)4"