View changes made in:
  • May 10, 2021
    • Piemontite-(Sr)
      • RRUFF Ideal Chemistry changed from "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)" to "CaSr(Al2Mn3+)(Si2O7)(SiO4)O(OH)"
      • Mineral Comment changed from

        Originally named strontiopiemontite:
        Bonazzi P, Menchetti S, Palenzona A (1990) Strontiopiemontite, a new member of the epidote group, from Val Graveglia, Liguria, Italy, European Journal of Mineralogy 2, 519-523

        Name changed:
        Armbruster T, Bonazzi P, Akasaka M, Bermanec V, Chopin C, Giere R, Huess-Assbichler S, Liebscher A, Menchetti S, Pan Y, Pasero M (2006) Recommended nomeclature of epidote-group minerals, European Journal of Mineralogy 18, 551-567 as Stontiopiemontite

        to

        Bonazzi P, Menchetti S, Palenzona A (1990) Strontiopiemontite, a new member of the epidote group, from Val Graveglia, Liguria, Italy, European Journal of Mineralogy 2, 519-523

        Name changed from strontiopiemontite to piemontite-(Sr):
        Armbruster T, Bonazzi P, Akasaka M, Bermanec V, Chopin C, Giere R, Huess-Assbichler S, Liebscher A, Menchetti S, Pan Y, Pasero M (2006) Recommended nomeclature of epidote-group minerals, European Journal of Mineralogy 18, 551-567 as Stontiopiemontite

  • Oct 13, 2017
    • Piemontite-(Sr)
      • IMA Ideal Chemistry changed from "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)" to "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)"
  • Mar 24, 2008
    • Piemontite-(Sr)
      • RRUFF Ideal Chemistry changed from "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)" to "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)"
      • IMA Ideal Chemistry changed from "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)" to "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)"
  • Sep 4, 2007
  • May 10, 2007
  • Dec 14, 2006
    • Piemontite-(Sr)
      • RRUFF Ideal Chemistry changed from "CaSr(Al,Mn3+,Fe)3(SiO4)(Si2O7)(O,OH)2" to "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)"
      • IMA Ideal Chemistry changed from "CaSr(Al,Mn3+,Fe)3(SiO4)(Si2O7)(O,OH)2" to "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)"
  • Oct 5, 2006
    • Piemontite-(Sr)
      • Mineral Display Name changed from "Strontiopiemontite" to "Piemontite-(Sr)"
  • May 19, 2006
    • Piemontite-(Sr)
      • IMA Ideal Chemistry changed to "CaSr(Al,Mn3+,Fe)3(SiO4)(Si2O7)(O,OH)2"