View changes made in:
  • Sep 28, 2019
    • Laphamite
      • IMA Ideal Chemistry changed from "As2(Se,S)3" to "As2Se3"
      • Mineral Comment changed from

        Dunn P J, Peacor D R, Criddle A J, Finkelman R B (1986) Laphamite, an arsenic selenide analogue of orpiment, from burning anthracite deposits in Pennsylvania, Mineralogical Magazine 50, 279-282

        to

        Dunn P J, Peacor D R, Criddle A J, Finkelman R B (1986) Laphamite, an arsenic selenide analogue of orpiment, from burning anthracite deposits in Pennsylvania, Mineralogical Magazine 50, 279-282

        Chemical formula changed from As2(Se,S)3:
        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
    • Laphamite
      • IMA Ideal Chemistry changed from "As2Se3" to "As2(Se,S)3"
  • Jun 2, 2016
    • Laphamite
      • Mineral Comment changed from

        Dunn P J, Peacor D R, Criddle A J, Finkelman R B (1986) Laphamite, an arsenic selenide analogue of orpiment, from burning anthracite deposits in Pennsylvania, Mineralogical Magazine 50, 279-282

        Hawthorne F C, Jambor J L, Bladh K W, Burke E A J, Grice J D, Phillips D, Roberts A C, Schedler R A, Shigley J E (1987) New mineral names, American Mineralogist 72, 1023-1028

        to

        Dunn P J, Peacor D R, Criddle A J, Finkelman R B (1986) Laphamite, an arsenic selenide analogue of orpiment, from burning anthracite deposits in Pennsylvania, Mineralogical Magazine 50, 279-282

  • May 26, 2007
    • Laphamite
      • RRUFF Ideal Chemistry changed from "As2(Se,S)3" to "As2Se3"
  • Apr 18, 2007
    • Laphamite
      • IMA Ideal Chemistry changed from "As2(Se,S)3" to "As2Se3"
  • Apr 12, 2006
    • Laphamite
      • IMA Ideal Chemistry changed to "As2(Se,S)3"