View changes made in:
  • Nov 6, 2017
    • Hemihedrite
      • IMA Ideal Chemistry changed from "ZnPb10(CrO4)6(SiO4)2F2" to "ZnPb10(CrO4)6(SiO4)2(OH)2"
  • Oct 13, 2017
    • Hemihedrite
      • IMA Ideal Chemistry changed from "Pb10Zn(CrO4)6(SiO4)2(OH)2" to "ZnPb10(CrO4)6(SiO4)2F2"
  • Aug 12, 2017
    • Hemihedrite
      • RRUFF Ideal Chemistry changed from "Pb2+10Zn2+(Cr6+O4)6(SiO4)2F2" to "Pb2+10Zn2+(Cr6+O4)6(SiO4)2(OH)2"
      • IMA Ideal Chemistry changed from "Pb10Zn(CrO4)6(SiO4)2F2" to "Pb10Zn(CrO4)6(SiO4)2(OH)2"
      • Mineral Comment changed from

        Williams S A, Anthony J W (1970) Hemihedrite, a new mineral from Arizona, American Mineralogist 55, 1088-1102

        to

        Williams S A, Anthony J W (1970) Hemihedrite, a new mineral from Arizona, American Mineralogist 55, 1088-1102

        The chemical formula is revised from Pb10Zn(CrO4)6(SiO4)2F2:
        Lafuente B, Downs R T, Origlieri M J, Domanik K J, Gibbs R B, Rumsey M S (2017) New data on hemihedrite from Arizona. Mineralogical Magazine 81, 1021-1030

  • Aug 24, 2015
    • Hemihedrite
      • Mineral Comment changed from

        Williams S A, Anthony J W (1967) Abstract of paper presented at the twelfth annual meeting: Hemihedrite. A new mineral from Arizona, The Canadian Mineralogist 9, 310-310

        Williams S A, Anthony J W (1970) Hemihedrite, a new mineral from Arizona, American Mineralogist 55, 1088-1102

        to

        Williams S A, Anthony J W (1970) Hemihedrite, a new mineral from Arizona, American Mineralogist 55, 1088-1102

  • Mar 2, 2015
    • Hemihedrite
      • RRUFF Ideal Chemistry changed from "Pb10Zn(CrO4)6(SiO4)2F2" to "Pb2+10Zn2+(Cr6+O4)6(SiO4)2F2"
  • Dec 21, 2012
    • Hemihedrite
      • RRUFF Ideal Chemistry changed from "ZnPb10(CrO4)6(SiO4)2F2" to "Pb10Zn(CrO4)6(SiO4)2F2"
      • IMA Ideal Chemistry changed from "ZnPb10(CrO4)6(SiO4)2F2" to "Pb10Zn(CrO4)6(SiO4)2F2"
  • Nov 2, 2012
    • Hemihedrite
      • Mineral Comment changed from

        Williams S A, Anthony J W (1967) Abstract of paper presented at the twelfth annual meeting: Hemihedrite. A new mineral from Arizona, The Canadian Mineralogist 9, 310-310

        Mandarino J A, Kato A (1968) New mineral names, American Mineralogist 53, 1421-1427

        Williams S A, Anthony J W (1970) Hemihedrite, a new mineral from Arizona, American Mineralogist 55, 1088-1102

        to

        Williams S A, Anthony J W (1967) Abstract of paper presented at the twelfth annual meeting: Hemihedrite. A new mineral from Arizona, The Canadian Mineralogist 9, 310-310

        Williams S A, Anthony J W (1970) Hemihedrite, a new mineral from Arizona, American Mineralogist 55, 1088-1102

  • Jun 29, 2006
    • Hemihedrite
      • IMA Ideal Chemistry changed to "ZnPb10(CrO4)6(SiO4)2F2"