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    Cryptomelane
    Cml
    K(Mn4+7Mn3+)O16
    K(Mn4+7Mn3+)O16
    K Mn4+ Mn3+ O
    Richmond W E, Fleischer M (1942) Cryptomelane, a new name for the commonest of the "psilomelane" minerals, American Mineralogist 27, 607-610
    Formula changed from K(Mn4+,Mn2+)8O16:
    Biagioni C, Capalbo C, Pasero M (2013) Nomenclature tunings in the hollandite supergroup. European Journal of Mineralogy 25, 85-90  [view file]
      HOM File
     
      File was made public on 2024-08-05
      Uploaded 2024-08-05 by Nate Stone
      72.2 Kb
    cryptomelane.pdf
    Biagioni C, Capalbo C, Pasero M (2013) Nomenclature tunings in the hollandite supergroup. European Journal of Mineralogy 25, 85-90  [view file]
    Fleischer M (1943) New mineral names. American Mineralogist 28, 615-615  [view file]
    Fleischer M (1964) New mineral names. American Mineralogist 49, 439-448  [view file]
    International Mineralogical Association (1982) International Mineralogical Association: Commission on New Minerals and Mineral Names. Mineralogical Magazine 46, 513-514  [view file]
    Perseil E A, Pinet M (1976) Contribution à la connaissance des romanéchites et des cryptomélanes - coronadites - hollandites. Traits essentiels et paragenèses. Contributions to Mineralogy and Petrology 55, 191-204
    Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures. American Mineralogist 105, 1175-1190  [view file]
    Post J E, Von Dreele R B, Buseck P R (1982) Symmetry and cation displacements in hollandites: structure refinements of hollandite, cryptomelane and priderite. Acta Crystallographica B38, 1056-1065
    Ramsdell L S (1942) The unit cell of cryptomelane. American Mineralogist 27, 611-613  [view file]
    Richmond W E, Fleischer M (1942) Cryptomelane, a new name for the commonest of the "psilomelane" minerals. American Mineralogist 27, 607-610  [view file]
    Vafeas N A, Viljoen K S, Blignaut L C (2018) Characterization of fibrous cryptomelane from the todorokite-cryptomelane mineral assemblage at the Sebilo mine, Northern Cape Province, South Africa. The Canadian Mineralogist 56, 65-76  [view file]
    Vicat J, Fanchon E, Strobel P, Tran Qui D (1986) The structure of K1.33Mn8O16 and cation ordering in hollandite-type structures. Acta Crystallographica B42, 162-167