View changes made in:
  • Jul 21, 2020
  • Oct 29, 2017
    • Tadzhikite-(Ce)
      • IMA Ideal Chemistry changed from "Ca4Ce3+2Ti   (B4Si4O22)(OH)2" to "Ca4Ce2Ti   (B4Si4O22)(OH)2"
  • Jun 10, 2017
    • Tadzhikite-(Ce)
      • RRUFF Ideal Chemistry changed from "Ca4Ce3+2Ti4+(B4Si4O22)(OH)2" to "Ca4Ce3+2Ti4+   (B4Si4O22)(OH)2"
      • IMA Ideal Chemistry changed from "Ca4Ce3+2Ti(B4Si4O22)(OH)2" to "Ca4Ce3+2Ti   (B4Si4O22)(OH)2"
  • Aug 2, 2014
    • Tadzhikite-(Ce)
      • RRUFF Ideal Chemistry changed from "Ca4Ce3+2Ti(B4Si4O22)(OH)2" to "Ca4Ce3+2Ti4+(B4Si4O22)(OH)2"
  • Sep 6, 2013
    • Tadzhikite-(Ce)
      • RRUFF Ideal Chemistry changed from "Ca4Ce3+2TiB4Si4O22(OH)2" to "Ca4Ce3+2Ti(B4Si4O22)(OH)2"
      • IMA Ideal Chemistry changed from "Ca4Ce3+2TiB4Si4O22(OH)2" to "Ca4Ce3+2Ti(B4Si4O22)(OH)2"
  • Oct 6, 2012
    • Tadzhikite-(Ce)
      • Mineral Comment changed from

        Efimov A F, Dusmatov V D, Alkhazov V Y, Pudovkina Z G, Kazakova M Y (1970) Tadzhikite, a new borosilicate of the rare earths of the hellandite group, Doklady Akademii Nauk SSSR 195, 1190-1193

        Fleischer M (1971) New mineral names, American Mineralogist 56, 1838-1840

        Name changed from tadzhikite:
        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

        Efimov A F, Dusmatov V D, Alkhazov V Y, Pudovkina Z G, Kazakova M Y (1970) Tadzhikite, a new borosilicate of the rare earths of the hellandite group, Doklady Akademii Nauk SSSR 195, 1190-1193

        Name changed from tadzhikite:
        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

  • Nov 12, 2008
    • Tadzhikite-(Ce)
      • RRUFF Ideal Chemistry changed from "Ca4(Ce,Y)2(Ti,Fe,Al)B4Si4O22(O,OH)2" to "Ca4Ce3+2TiB4Si4O22(OH)2"
      • IMA Ideal Chemistry changed from "Ca4(Ce,Y)2(Ti,Fe,Al)B4Si4O22(O,OH)2" to "Ca4Ce3+2TiB4Si4O22(OH)2"
  • May 19, 2008
    • Tadzhikite-(Ce)
      • Mineral Comment changed from

        Name changed from tadzhikite:
        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

        Efimov A F, Dusmatov V D, Alkhazov V Y, Pudovkina Z G, Kazakova M Y (1970) Tadzhikite, a new borosilicate of the rare earths of the hellandite group, Doklady Akademii Nauk SSSR 195, 1190-1193

        Fleischer M (1971) New mineral names, American Mineralogist 56, 1838-1840

        Name changed from tadzhikite:
        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

  • May 1, 2008
    • Tadzhikite-(Ce)
      • RRUFF Ideal Chemistry changed from "(Ca,Ce)4(Ca,Y)2(Ti,Fe,Al)B4Si4O22(O,OH)2" to "Ca4(Ce,Y)2(Ti,Fe,Al)B4Si4O22(O,OH)2"
      • IMA Ideal Chemistry changed from "(Ca,Ce)4(Ca,Y)2(Ti,Fe,Al)B4Si4O22(O,OH)2" to "Ca4(Ce,Y)2(Ti,Fe,Al)B4Si4O22(O,OH)2"
  • May 20, 2006
    • Tadzhikite-(Ce)
      • IMA Ideal Chemistry changed to "(Ca,Ce)4(Ca,Y)2(Ti,Fe,Al)B4Si4O22(O,OH)2"