View changes made in:
  • Oct 13, 2017
    • Bettertonite
      • IMA Ideal Chemistry changed from "Al6(AsO4)3(OH)9·16H2O" to "Al6(AsO4)3(OH)9(H2O)5·11H2O"
  • Feb 25, 2016
    • Bettertonite
      • Mineral Comment changed from

        Grey, I.E., Kampf, A.R., Price, J.R. and MacRae, C.M. (2015) Bettertonite, IMA 2014-074. CNMNC Newsletter No. 23, February 2015, page 55; Mineralogical Magazine, 79, 51-58.

        to

        Grey I E, Kampf A R, Price J R, Macrae C M (2015) Bettertonite, [Al6(AsO4)3(OH)9(H2O)5]ยท11H2O, a new mineral from the Penberthy Croft mine, St. Hilary, Cornwall, UK, with a structure based on polyoxometalate clusters. Mineralogical Magazine 79, 1849-1858

  • Sep 19, 2015
    • Bettertonite
      • RRUFF Ideal Chemistry changed from "Al6(AsO4)3(OH)9·16H2O" to "Al6(As5+O4)3(OH)9·16H2O"
  • Apr 10, 2015
    • Bettertonite
      • New Mineral Entry
      • Mineral Display Name changed to "Bettertonite"
      • RRUFF Ideal Chemistry changed to "Al6(AsO4)3(OH)9·16H2O"
      • IMA Ideal Chemistry changed to "Al6(AsO4)3(OH)9·16H2O"
      • IMA Number changed to "IMA2014-074"
      • Mineral Comment changed to

        Grey, I.E., Kampf, A.R., Price, J.R. and MacRae, C.M. (2015) Bettertonite, IMA 2014-074. CNMNC Newsletter No. 23, February 2015, page 55; Mineralogical Magazine, 79, 51-58.