View changes made in:
  • Sep 6, 2021
    • Keystoneite
      • RRUFF Ideal Chemistry changed from "Mg0.5Ni2+Fe3+(Te4+O3)3·4.5H2O" to "Mg0.5Ni2+Fe3+(Te4+O3)3·4H2O"
      • IMA Ideal Chemistry changed from "Mg0.5NiFe3+(Te4+O3)3·4.5H2O" to "Mg0.5NiFe3+(Te4+O3)3·4H2O"
      • Mineral Comment changed from

        Back M E, Roberts A C, LePage Y, Mandarino J A (1988) Keystoneite, a new tellurite from the Keystone mine, Colorado, U.S.A., Abstracts of the Joint Annual Meeting of the Geological and Mineralogical Associations of Canada 13, A4-A4

        Chemical formula changed from H0.8Mg0.8(Ni,Fe,Mn)2(TeO3)3·5H2O:
        Miletich R (1995) Crystal chemistry of the microporous tellurite minerals zemannite and kinichilite, Mg0.5[Me2+Fe3+(TeO3)3]4·5H2O, (Me2+=Zn;Mn). European Journal of Mineralogy 7, 509-523

        to

        Missen O P, Back M E, Mills S J, Roberts A C, LePage Y, Pinch W W, Mandarino J A (2021) Crystal chemistry of zemannite-type structures: III. Keystoneite, the Ni2+-analogue of zemannite, and ferrotellurite discredited. The Canadian Mineralogist 59, 355-364

  • Apr 15, 2018
    • Keystoneite
      • RRUFF Ideal Chemistry changed from "H0.8Mg0.8(Ni2+,Fe3+,Mn2+)2(Te4+O3)3·5H2O" to "Mg0.5Ni2+Fe3+(Te4+O3)3·4.5H2O"
      • Mineral Comment changed from

        Back M E, Roberts A C, LePage Y, Mandarino J A (1988) Keystoneite, a new tellurite from the Keystone mine, Colorado, U.S.A., Abstracts of the Joint Annual Meeting of the Geological and Mineralogical Associations of Canada 13, A4-A4

        to

        Back M E, Roberts A C, LePage Y, Mandarino J A (1988) Keystoneite, a new tellurite from the Keystone mine, Colorado, U.S.A., Abstracts of the Joint Annual Meeting of the Geological and Mineralogical Associations of Canada 13, A4-A4

        Chemical formula changed from H0.8Mg0.8(Ni,Fe,Mn)2(TeO3)3·5H2O:
        Miletich R (1995) Crystal chemistry of the microporous tellurite minerals zemannite and kinichilite, Mg0.5[Me2+Fe3+(TeO3)3]4·5H2O, (Me2+=Zn;Mn). European Journal of Mineralogy 7, 509-523

  • Oct 13, 2017
    • Keystoneite
      • IMA Ideal Chemistry changed from "H0.8Mg0.8(Ni,Fe3+,Mn)2(Te4+O3)3·5H2O" to "Mg0.5NiFe3+(Te4+O3)3·4.5H2O"
  • May 9, 2015
    • Keystoneite
      • RRUFF Ideal Chemistry changed from "H0.8Mg0.8(Ni,Fe3+,Mn)2(Te4+O3)3·5H2O" to "H0.8Mg0.8(Ni2+,Fe3+,Mn2+)2(Te4+O3)3·5H2O"
  • Nov 28, 2009
    • Keystoneite
      • Mineral Comment changed to

        Back M E, Roberts A C, LePage Y, Mandarino J A (1988) Keystoneite, a new tellurite from the Keystone mine, Colorado, U.S.A., Abstracts of the Joint Annual Meeting of the Geological and Mineralogical Associations of Canada 13, A4-A4

  • Jun 29, 2006
    • Keystoneite
      • IMA Ideal Chemistry changed to "H0.8Mg0.8(Ni,Fe3+,Mn)2(Te4+O3)3·5H2O"