View changes made in:
  • Oct 22, 2019
    • Ciprianiite
      • Mineral Comment changed from

        Della Ventura G, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

        Formula changed from Ca4(Th,REE)2Al   2(Si4B4O22)(OH)2:
        Hålenius U, Hatert F, Pasero M, Mills S J (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 45. New minerals and nomenclature modifications approved in 2018. Mineralogical Magazine 82, Preprint

        to

        Della Ventura G, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

        Formula changed from Ca4(Th,REE)2Al   2(Si4B4O22)(OH)2:
        Oberti R, Langone A, Boiocchi M, Bernabè E, Hawthorne F C (2019) News from the hellandite group: the redefinition of mottanaite and ciprianiite and the new mineral description of ferri-mottanaite-(Ce), the first Fe3+-dominant hellandite. European Journal of Mineralogy 31, 799-806

  • Jun 1, 2019
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4[(Th4+,U6+)Ca]Al(Be0.5   1.5)[B4Si4O22](OH)2" to "Ca4(Th4+Ca)Al(Be0.5   1.5)[B4Si4O22](OH)2"
      • IMA Ideal Chemistry changed from "Ca4[(Th,U)Ca]Σ2Al(Be0.5   1.5)Σ2[B4Si4O22](OH)2" to "Ca4(ThCa)Al(Be0.5   1.5)Σ2[B4Si4O22](OH)2"
  • Nov 22, 2018
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4[(Th4+,U6+),Ca]2Al(Be0.5   1.5)[B4Si4O22](OH)2" to "Ca4[(Th4+,U6+)Ca]Al(Be0.5   1.5)[B4Si4O22](OH)2"
      • IMA Ideal Chemistry changed from "Ca4[(Th,U),Ca]Σ2Al(Be0.5   1.5)Σ2[B4Si4O22](OH)2" to "Ca4[(Th,U)Ca]Σ2Al(Be0.5   1.5)Σ2[B4Si4O22](OH)2"
  • Nov 12, 2018
    • Ciprianiite
      • IMA Ideal Chemistry changed from "Ca4(Th,REE)2Al   2(Si4B4O22)(OH)2" to "Ca4[(Th,U),Ca]Σ2Al(Be0.5   1.5)Σ2[B4Si4O22](OH)2"
      • RRUFF Ideal Chemistry changed from "Ca4(Th,REE)2Al   2(Si4B4O22)(OH)2" to "Ca4[(Th4+,U6+),Ca]2Al(Be0.5   1.5)[B4Si4O22](OH)2"
      • Mineral Comment changed from

        Della Ventura G, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

        to

        Della Ventura G, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

        Formula changed from Ca4(Th,REE)2Al   2(Si4B4O22)(OH)2:
        Hålenius U, Hatert F, Pasero M, Mills S J (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 45. New minerals and nomenclature modifications approved in 2018. Mineralogical Magazine 82, Preprint

  • Oct 27, 2017
    • Ciprianiite
      • IMA Ideal Chemistry changed from "Ca4(Th,REE)2Al(B4Si4O22)(OH)2" to "Ca4(Th,REE)2Al   2(Si4B4O22)(OH)2"
      • RRUFF Ideal Chemistry changed from "Ca4(Th,REE)2Al(B4Si4O22)(OH)2" to "Ca4(Th,REE)2Al   2(Si4B4O22)(OH)2"
  • Sep 6, 2013
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4(Th,REE)2AlSi4B4O22(OH)2" to "Ca4(Th,REE)2Al(B4Si4O22)(OH)2"
      • IMA Ideal Chemistry changed from "Ca4(Th,REE)2AlSi4B4O22(OH)2" to "Ca4(Th,REE)2Al(B4Si4O22)(OH)2"
  • Sep 2, 2013
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4ThCeAlSi4B4O22(OH)2" to "Ca4(Th,REE)2AlSi4B4O22(OH)2"
      • IMA Ideal Chemistry changed from "Ca4(ThREE)AlSi4B4O22(OH)2" to "Ca4(Th,REE)2AlSi4B4O22(OH)2"
  • Sep 1, 2013
    • Ciprianiite
      • Mineral Comment changed from

        Ventura G D, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

        to

        Della Ventura G, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

  • Sep 10, 2012
    • Ciprianiite
      • Mineral Comment changed from

        Ventura G D, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

        Mandarino J A (2003) New minerals, The Canadian Mineralogist 41, 803-828

        to

        Ventura G D, Bonazzi P, Oberti R, Ottolini L (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy), American Mineralogist 87, 739-744

  • May 16, 2012
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4(ThREE)AlSi4B4O22(OH)2" to "Ca4ThCeAlSi4B4O22(OH)2"
  • Nov 12, 2008
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4Th2Al2Si4B4O22(OH)2" to "Ca4(ThREE)AlSi4B4O22(OH)2"
      • IMA Ideal Chemistry changed from "Ca4Th2Al2Si4B4O22(OH)2" to "Ca4(ThREE)AlSi4B4O22(OH)2"
  • May 20, 2007
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4(Th,U,Ce,Nd,La)2Al2Si4B4O22(OH,F)2" to "Ca4Th2Al2Si4B4O22(OH)2"
  • Apr 4, 2007
    • Ciprianiite
      • IMA Ideal Chemistry changed from "Ca4(Th,U,REE)2Al2Si4B4O22(OH,F)2" to "Ca4Th2Al2Si4B4O22(OH)2"
  • Feb 11, 2007
    • Ciprianiite
      • RRUFF Ideal Chemistry changed from "Ca4(Th,U,REE)2Al2Si4B4O22(OH,F)2" to "Ca4(Th,U,Ce,Nd,La)2Al2Si4B4O22(OH,F)2"
  • Jun 27, 2006
    • Ciprianiite
      • IMA Ideal Chemistry changed to "Ca4(Th,U,REE)2Al2Si4B4O22(OH,F)2"