View changes made in:
  • Sep 28, 2019
    • Biphosphammite
      • IMA Ideal Chemistry changed from "(NH4,K)H2(PO4)" to "(NH4)H2(PO4)"
      • Mineral Comment changed from

        Shepard C U (1870) Notice of the Guanape Island guano, The Rural Carolinian 1, 469-471

        to

        Shepard C U (1870) Notice of the Guanape Island guano, The Rural Carolinian 1, 469-471

        Chemical formula changed from (NH4,K)H2(PO4):
        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
    • Biphosphammite
      • IMA Ideal Chemistry changed from "(NH4,K)H2PO4" to "(NH4,K)H2(PO4)"
  • Nov 23, 2014
    • Biphosphammite
      • RRUFF Ideal Chemistry changed from "H2(NH4)PO4" to "H2(N3-H4)PO4"
  • Aug 30, 2012
    • Biphosphammite
      • IMA Ideal Chemistry changed from "H2(NH4)PO4" to "(NH4,K)H2PO4"
  • Dec 3, 2010
    • Biphosphammite
      • Mineral Comment changed to

        Shepard C U (1870) Notice of the Guanape Island guano, The Rural Carolinian 1, 469-471

  • Feb 18, 2008
    • Biphosphammite
      • RRUFF Ideal Chemistry changed from "H2NH4PO4" to "H2(NH4)PO4"
      • IMA Ideal Chemistry changed from "H2NH4PO4" to "H2(NH4)PO4"
  • May 14, 2007
    • Biphosphammite
      • RRUFF Ideal Chemistry changed from "(NH4,K)H2PO4" to "H2NH4PO4"
  • Apr 4, 2007