View changes made in:
  • Jul 27, 2023
    • Hiortdahlite
      • IMA Number changed from "IMA1987 s.p., IMA2020-D" to "IMA1987 s.p."
  • Jul 12, 2022
    • Hiortdahlite
      • IMA Number changed from "IMA2020-D" to "IMA1987 s.p., IMA2020-D"
  • Jan 1, 2021
    • Hiortdahlite
      • RRUFF Ideal Chemistry changed from "(Na,Ca)2Ca4Zr4+(Mn2+,Ti4+,Fe2+)(Si2O7)2(F,O)4" to "Na2Ca4(Ca0.5Zr4+0.5)Zr4+(Si2O7)2OF3"
      • IMA Ideal Chemistry changed from "(Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4" to "Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3"
      • IMA Number changed to "IMA2020-D"
      • Mineral Comment changed from

        Brøgger W C (1890) Vorläufige Mittheilung über den „Hiortdahlit”, ein neues Mineral von Arö, Norwegen, Nyt Magazin for Naturvidenskabena 31, 232-239

        Two modular types are distinguished:
        Merlino S, Perchiazzi N (1988) Modular mineralogy of the cuspidine group of minerals, The Canadian Mineralogist 26, 933-943

        to

        Brøgger W C (1890) Vorläufige Mittheilung über den „Hiortdahlit”, ein neues Mineral von Arö, Norwegen, Nyt Magazin for Naturvidenskabena 31, 232-239

        Two modular types are distinguished:
        Merlino S, Perchiazzi N (1988) Modular mineralogy of the cuspidine group of minerals, The Canadian Mineralogist 26, 933-943

        Chemical formula revised from (Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4:
        Miyawaki R, Hatert F, Pasero M, Mills S J (2020) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 57. Mineralogical Magazine 84, 791-794

  • Dec 27, 2015
    • Hiortdahlite
      • IMA Ideal Chemistry changed from "Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5" to "(Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4"
      • RRUFF Ideal Chemistry changed from "Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5" to "(Na,Ca)2Ca4Zr4+(Mn2+,Ti4+,Fe2+)(Si2O7)2(F,O)4"
  • Dec 24, 2010
    • Hiortdahlite
      • Mineral Comment changed from

        Redefined:
        Merlino S, Perchiazzi N (1988) Modular mineralogy of the cuspidine group of minerals, The Canadian Mineralogist 26, 933-943

        to

        Brøgger W C (1890) Vorläufige Mittheilung über den „Hiortdahlit”, ein neues Mineral von Arö, Norwegen, Nyt Magazin for Naturvidenskabena 31, 232-239

        Two modular types are distinguished:
        Merlino S, Perchiazzi N (1988) Modular mineralogy of the cuspidine group of minerals, The Canadian Mineralogist 26, 933-943

  • Feb 26, 2008
    • Hiortdahlite
      • Mineral Display Name changed from "Hiortdahlite I" to "Hiortdahlite"
  • Aug 9, 2006
    • Hiortdahlite
      • Mineral Entry deleted
      • RRUFF Ideal Chemistry changed to "Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5"
  • Jun 29, 2006
    • Hiortdahlite
      • IMA Ideal Chemistry changed to "Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5"
  • May 1, 2006
    • Hiortdahlite
      • New Mineral Entry
      • Mineral Display Name changed to "Hiortdahlite I"