View changes made in:
  • Nov 23, 2023
    • Minasgeraisite-(Y)
      • Mineral Comment changed from

        Foord E E, Gaines R V, Crock J G, Simmons W B, Barbosa C P (1986) Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil, American Mineralogist 71, 603-607

        Name changed from minasgeraisite:
        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

        Discredited as an ordered intermediate member between datolite and hingganite-(Y):
        Vereshchagin O S, Gorelova L A, Shagova A K, Kasatkin, Škoda R, Bocharov V N, Vlasenko N S, Vašinová Galiová M (2023) Re-investigation of 'minasgeraisite-(Y)' from the Jaguaraçu pegmatite, Brazil and high-temperature crystal chemistry of gadolinite-supergroup minerals. Mineralogical Magazine 87, 470-479

        to

        Foord E E, Gaines R V, Crock J G, Simmons W B, Barbosa C P (1986) Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil, American Mineralogist 71, 603-607

        Name changed from minasgeraisite:
        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

        Discredited as an ordered intermediate member between datolite and hingganite-(Y):
        Atencio D (2023) Minasgeraisite-(Y) discredited as an ordered intermediate between datolite and hingganite-(Y). Mineralogical Magazine 87, 738-740

  • Sep 12, 2023
    • Minasgeraisite-(Y)
      • Mineral Comment changed from

        Foord E E, Gaines R V, Crock J G, Simmons W B, Barbosa C P (1986) Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil, American Mineralogist 71, 603-607

        Name changed from minasgeraisite:
        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

        Discredited as an ordered intermediate member between datolite and hingganite-(Y):
        Bosi F, Hatert F, Pasero M, Mills S J (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) - Newsletter 73. European Journal of Mineralogy 35, 397-402

        to

        Foord E E, Gaines R V, Crock J G, Simmons W B, Barbosa C P (1986) Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil, American Mineralogist 71, 603-607

        Name changed from minasgeraisite:
        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

        Discredited as an ordered intermediate member between datolite and hingganite-(Y):
        Vereshchagin O S, Gorelova L A, Shagova A K, Kasatkin, Škoda R, Bocharov V N, Vlasenko N S, Vašinová Galiová M (2023) Re-investigation of 'minasgeraisite-(Y)' from the Jaguaraçu pegmatite, Brazil and high-temperature crystal chemistry of gadolinite-supergroup minerals. Mineralogical Magazine 87, 470-479

  • Jun 29, 2023
    • Minasgeraisite-(Y)
      • Mineral Comment changed from

        Foord E E, Gaines R V, Crock J G, Simmons W B, Barbosa C P (1986) Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil, American Mineralogist 71, 603-607

        Name changed from minasgeraisite:
        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

        Foord E E, Gaines R V, Crock J G, Simmons W B, Barbosa C P (1986) Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil, American Mineralogist 71, 603-607

        Name changed from minasgeraisite:
        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

        Discredited as an ordered intermediate member between datolite and hingganite-(Y):
        Bosi F, Hatert F, Pasero M, Mills S J (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) - Newsletter 73. European Journal of Mineralogy 35, 397-402

  • Jul 26, 2020
  • Oct 13, 2017
  • May 16, 2015
    • Minasgeraisite-(Y)
      • RRUFF Ideal Chemistry changed from "CaBe2Y2+2(SiO4)2O2" to "CaBe2Y2(SiO4)2O2"
  • Jul 5, 2014
    • Minasgeraisite-(Y)
      • RRUFF Ideal Chemistry changed from "CaY2Be2Si2O10" to "CaBe2Y2+2(SiO4)2O2"
      • IMA Ideal Chemistry changed from "CaY2Be2Si2O10" to "CaBe2Y2(SiO4)2O2"
  • Aug 26, 2012
    • Minasgeraisite-(Y)
      • RRUFF Ideal Chemistry changed from "CaBe2Y2Si2O10" to "CaY2Be2Si2O10"
      • IMA Ideal Chemistry changed from "CaBe2Y2Si2O10" to "CaY2Be2Si2O10"
  • Apr 15, 2006
    • Minasgeraisite-(Y)
      • RRUFF Ideal Chemistry changed from "CaBe2Y2Si2O_10" to "CaBe2Y2Si2O10"
      • IMA Ideal Chemistry changed to "CaBe2Y2Si2O10"