View changes made in:
  • Mar 3, 2017
    • Polyphite
      • IMA Ideal Chemistry changed from "Na9Ca2Ti2(Si2O7)(PO4)3O2F2" to "Na6(Na4Ca2)2Na2Ti2Na2Ti2(Si2O7)2(PO4)6O4F4"
      • RRUFF Ideal Chemistry changed from "Na9Ca2Ti4+2(Si2O7)(PO4)3O2F2" to "Na6(Na4Ca2)2Na2Ti4+2Na2Ti4+2(Si2O7)2(PO4)6O4F4"
  • Jul 30, 2015
    • Polyphite
      • Mineral Comment changed from

        Khomyakov A P, Nechelyustov G N, Sokolova E V, Dorokhova G I (1992) Quadruphite Na14CaMgTi4[Si2O7]2[PO4]4O4F2 and polyphite Na17Ca3Mg(Ti,Mn)4[Si2O7]2[PO4]6O2F6 - new minerals of the lomonosovite family, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 121, issue 1, 105-112

        Jambor J L, Vanko D A (1993) New mineral names, American Mineralogist 78, 1314-1319

        Chemical formula change:
        Sokolova E, Hawthorne F C, Khomyakov A P (2005) Polyphite and sobolevite: Revision of their crystal structures, The Canadian Mineralogist 43, 1527-1544

        to

        Khomyakov A P, Nechelyustov G N, Sokolova E V, Dorokhova G I (1992) Quadruphite Na14CaMgTi4[Si2O7]2[PO4]4O4F2 and polyphite Na17Ca3Mg(Ti,Mn)4[Si2O7]2[PO4]6O2F6 - new minerals of the lomonosovite family, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 121(1), 105-112

        Chemical formula revised:
        Sokolova E, Hawthorne F C, Khomyakov A P (2005) Polyphite and sobolevite: Revision of their crystal structures, The Canadian Mineralogist 43, 1527-1544

  • Aug 2, 2014
    • Polyphite
      • RRUFF Ideal Chemistry changed from "Na9Ca2Ti2(Si2O7)(PO4)3O2F2" to "Na9Ca2Ti4+2(Si2O7)(PO4)3O2F2"
  • Jan 28, 2008
  • Apr 20, 2007
    • Polyphite
      • RRUFF Ideal Chemistry changed from "Na17Ca3Mg(Ti,Mn)4O2(Si2O7)2(PO4)6F6" to "Na9Ca2Ti2(Si2O7)(PO4)3O2F2"
  • Apr 10, 2007
    • Polyphite
      • IMA Ideal Chemistry changed from "Na17Ca3Mg(Ti,Mn)4O2(Si2O7)2(PO4)6F6" to "Na9Ca2Ti2(Si2O7)(PO4)3O2F2"
  • May 10, 2006
    • Polyphite
      • Mineral Entry deleted
      • Mineral Display Name changed from "Polyphite-VII" to "Polyphite"
      • RRUFF Ideal Chemistry changed to "Na17Ca3Mg(Ti,Mn)4O2(Si2O7)2(PO4)6F6"
      • IMA Ideal Chemistry changed to "Na17Ca3Mg(Ti,Mn)4O2(Si2O7)2(PO4)6F6"
  • May 4, 2006
    • Polyphite
      • New Mineral Entry
      • Mineral Display Name changed to "Polyphite"