View changes made in:
  • Oct 13, 2017
    • Gjerdingenite-Na
      • IMA Ideal Chemistry changed from "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O" to "K2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
  • Aug 10, 2014
    • Gjerdingenite-Na
      • RRUFF Ideal Chemistry changed from "(K,Na)2(H2O)2Na(Nb5+,Ti4+)4(Si4O12)2(OH,O)4·3H2O" to "(K,Na)2Na(Nb5+,Ti4+)4(Si4O12)2(OH,O)4·5H2O"
      • IMA Ideal Chemistry changed from "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O" to "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
  • Aug 2, 2014
    • Gjerdingenite-Na
      • RRUFF Ideal Chemistry changed from "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O" to "(K,Na)2(H2O)2Na(Nb5+,Ti4+)4(Si4O12)2(OH,O)4·3H2O"
  • Oct 30, 2012
    • Gjerdingenite-Na
      • Mineral Comment changed from

        Pekov I V, Chukanov N V, Yamnova N A, Zadov A E, Tarassoff P (2007) Gjerdingenite-Na and gjerdingenite-Ca, two mineral species of the labuntsovite group, The Canadian Mineralogist 45, 529-539

        Poirier G, Piilonen P C (2007) New mineral names, American Mineralogist 92, 1776-1779

        to

        Pekov I V, Chukanov N V, Yamnova N A, Zadov A E, Tarassoff P (2007) Gjerdingenite-Na and gjerdingenite-Ca, two mineral species of the labuntsovite group, The Canadian Mineralogist 45, 529-539

  • Feb 25, 2008
    • Gjerdingenite-Na
      • RRUFF Ideal Chemistry changed from "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O" to "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O"
      • IMA Ideal Chemistry changed from "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O" to "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O"
  • May 3, 2007
    • Gjerdingenite-Na
      • New Mineral Entry
      • Mineral Display Name changed to "Gjerdingenite-Na"
      • RRUFF Ideal Chemistry changed to "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
      • IMA Ideal Chemistry changed to "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
      • IMA Number changed to "IMA2005-030"