View changes made in:
  • Oct 13, 2017
    • Vermiculite
      • IMA Ideal Chemistry changed from "Mg0.7(Mg,Fe3+,Al)6(Si,Al)8O20(OH)4·8H2O" to "Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O"
  • Aug 9, 2009
    • Vermiculite
      • Mineral Comment changed to

        Webb T H (1824) New localities of tourmalines and talc, The American Journal of Science and Arts 7, 55-55

  • Jun 5, 2007
    • Vermiculite
      • RRUFF Ideal Chemistry changed from "(Mg,Fe3+,Al)3(Si,Al)4O10(OH)2·4H2O" to "Mg0.7(Mg,Fe3+,Al)6(Si,Al)8O20(OH)4·8H2O"
  • Apr 16, 2007
    • Vermiculite
      • IMA Ideal Chemistry changed to "Mg0.7(Mg,Fe3+,Al)6(Si,Al)8O20(OH)4·8H2O"
  • May 27, 2006
    • Vermiculite
      • RRUFF Ideal Chemistry changed from "(Mg,Fe,Al)3(Si,Al)4O10(OH)2·4H2O" to "(Mg,Fe3+,Al)3(Si,Al)4O10(OH)2·4H2O"
  • Apr 21, 2006
    • Vermiculite
      • RRUFF Ideal Chemistry changed from "(Mg,Fe,Al)3(Si,Al)4O10(OH)2ยท4H2O" to "(Mg,Fe,Al)3(Si,Al)4O10(OH)2·4H2O"