Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
We are grateful to NASA for the funding of this effort.
We host articles and citations in collaboration with the Canadian , American , British , Japanese , French , Russian , and Italian mineral societies.Report a new mineral description or crystal structure reference.
Mineral contains: Cryptomelane
Biagioni C, Capalbo C, Pasero M (2013) Nomenclature tunings in the hollandite supergroup. European Journal of Mineralogy 25, 85-90
Fleischer M (1964) New mineral names. American Mineralogist 49, 439-448
Fleischer M (1943) New mineral names. American Mineralogist 28, 615-615
International Mineralogical Association (1982) International Mineralogical Association: Commission on new minerals and mineral names. Mineralogical Magazine 46, 513-514
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
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
Richmond W E, Fleischer M (1942) Cryptomelane, a new name for the commonest of the "psilomelane" minerals. American Mineralogist 27, 607-610
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
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