View changes made in:
  • Sep 28, 2019
    • Chayesite
      • IMA Ideal Chemistry changed from "K(Mg,Fe2+)4Fe3+[Si12O30]" to "KMg4Fe3+[Si12O30]"
      • RRUFF Ideal Chemistry changed from "KMg2(Mg2Fe3+Si12)O30" to "KMg4Fe3+[Si12O30]"
      • Mineral Comment changed from

        Velde D, Medenbach O, Wagner C, Schreyer W (1989) Chayesite, K(Mg,Fe2+)4Fe3+[Si12O30]: A new rock-forming silicate mineral of the osumilite group from the Moon Canyon (Utah) lamproite, American Mineralogist 74, 1368-1373

        to

        Velde D, Medenbach O, Wagner C, Schreyer W (1989) Chayesite, K(Mg,Fe2+)4Fe3+[Si12O30]: A new rock-forming silicate mineral of the osumilite group from the Moon Canyon (Utah) lamproite, American Mineralogist 74, 1368-1373

        Chemical formula changed from K(Mg,Fe2+)4Fe3+[Si12O30]:
        Miyawaki R, Hatert F, Pasero M, Mills S J (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 50. New minerals and nomenclature modifications approved in 2019. Mineralogical Magazine 83, 615-620

  • Oct 13, 2017
    • Chayesite
      • IMA Ideal Chemistry changed from "KMg2(Mg2Fe3+Si12)O30" to "K(Mg,Fe2+)4Fe3+[Si12O30]"
  • Sep 9, 2012
    • Chayesite
      • Mineral Comment changed from

        Velde D, Medenbach O, Wagner C, Schreyer W (1989) Chayesite, K(Mg,Fe2+)4Fe3+[Si12O30]: A new rock-forming silicate mineral of the osumilite group from the Moon Canyon (Utah) lamproite, American Mineralogist 74, 1368-1373

        to

        Velde D, Medenbach O, Wagner C, Schreyer W (1989) Chayesite, K(Mg,Fe2+)4Fe3+[Si12O30]: A new rock-forming silicate mineral of the osumilite group from the Moon Canyon (Utah) lamproite, American Mineralogist 74, 1368-1373

  • Nov 11, 2008
    • Chayesite
      • RRUFF Ideal Chemistry changed from "KMg4Fe3+Si12O30" to "KMg2(Mg2Fe3+Si12)O30"
      • IMA Ideal Chemistry changed from "KMg4Fe3+Si12O30" to "KMg2(Mg2Fe3+Si12)O30"
  • May 20, 2007
    • Chayesite
      • RRUFF Ideal Chemistry changed from "K(Mg,Fe2+)4Fe3+Si12O30" to "KMg4Fe3+Si12O30"
  • Apr 4, 2007
    • Chayesite
      • IMA Ideal Chemistry changed from "K(Mg,Fe2+)4Fe3+Si12O30" to "KMg4Fe3+Si12O30"
  • Jun 27, 2006
    • Chayesite
      • IMA Ideal Chemistry changed to "K(Mg,Fe2+)4Fe3+Si12O30"