Todorokite R070257

Name: Todorokite
RRUFF ID: R070257
Ideal Chemistry: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O
Locality: Todoroki mine, Shiribeshi Province, Hokkaido Island, Japan
Source: Michael Scott S102940 [view label]
Owner: RRUFF
Description: Black fibrous fine grains
Status: The identification of this mineral is not yet confirmed.
Sample Description: Unoriented sample

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RRUFF ID: R070257
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 30% of 150mW
REFERENCES for Todorokite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Yoshimura T (1934) "Todorokite", a new manganese mineral from the Todoroki mine, Hokkaido, Japan, Journal of the Faculty of Science, Hokkaido Imperial University, Series IV, Geology and Mineralogy, 2, 289-297   [view file]

Foshag W F (1935) New mineral names, American Mineralogist, 20, 678-678   [view file]

Frondel C, Marvin U B, Ito J (1960) New occurrences of todorokite, American Mineralogist, 45, 1167-1173   [view file]

Levinson A A (1960) Second occurrence of todorokite, American Mineralogist, 45, 802-807   [view file]

International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263   [view file]

Fleischer M, Burns R G, Cabri L J, Chao G Y, Hogarth D D, Pabst A (1979) New mineral names, American Mineralogist, 64, 1329-1334   [view file]

Burns R G, Burns V E, Stockman H W (1983) A review of the todorokite-buserite problem: implications to the mineralogy of marine manganese nodules, American Mineralogist, 68, 972-980   [view file]

Post J E, Bish D L (1988) Rietveld refinement of the todorokite structure, American Mineralogist, 73, 861-869   [view file]

Frankel R B, Bazylinski D A (2003) Biologically induced mineralization by bacteria, Reviews in Mineralogy and Geochemistry, 54, 95-114

Post J E, Heaney P J, Hanson J (2003) Synchrotron X-ray diffraction study of the structure and dehydration behavior of todorokite, American Mineralogist, 88, 142-150   [view file]

Kolitsch U, Rieck B, Brandstätter F, Schreiber F, Fabritz K, Blaß G, Gröbner J (2014) Neufunde aus dem alten Bergbau und den Schlacken von Lavrion (I), Mineralien Welt, 1, 60-75

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

Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures, American Mineralogist, 105, 1175-1190