View changes made in:
  • Oct 13, 2017
    • Hydrohetaerolite
      • IMA Ideal Chemistry changed from "HZnMn3+5/3O4" to "HZnMn3+1.7O4"
  • May 22, 2016
    • Hydrohetaerolite
      • Mineral Comment changed from

        Palache C (1928) Mineralogical notes on Franklin and Sterling Hills, New Jersey, American Mineralogist 13, 297-329

        Chemical formula defined:
        Frondel C, Heinrich E Wm (1942) New data on hetaerolite, hydrohetaerolite, coronadite, and hollandite, American Mineralogist 27, 48-56

        to

        Palache C (1928) Mineralogical notes on Franklin and Sterling Hills, New Jersey, American Mineralogist 13, 297-329

        Chemical formula defined:
        Frondel C, Heinrich E W (1942) New data on hetaerolite, hydrohetaerolite, coronadite, and hollandite, American Mineralogist 27, 48-56

  • Mar 2, 2015
    • Hydrohetaerolite
      • RRUFF Ideal Chemistry changed from "Zn2Mn3+4O8·H2O" to "Zn2+2Mn3+4O8·H2O"
  • Jun 13, 2008
    • Hydrohetaerolite
      • IMA Ideal Chemistry changed from "HZnMn3+1.7O4" to "HZnMn3+5/3O4"
      • Mineral Comment changed to

        Palache C (1928) Mineralogical notes on Franklin and Sterling Hills, New Jersey, American Mineralogist 13, 297-329

        Chemical formula defined:
        Frondel C, Heinrich E Wm (1942) New data on hetaerolite, hydrohetaerolite, coronadite, and hollandite, American Mineralogist 27, 48-56

  • Apr 18, 2007