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Na4Mn14O27 · 21H2O
An unstable manganese oxide that dehydrates to birnessite.
Crystallochemical data on synthetic material.

The original material was reported from Yuno-Taki waterfall, Me-akan volcano, Akan National Park, Kushiro Province, Hokkaido Island, Japan.

A new proposal for 'buserite' would most probably be successful (E. Burke, Mindat forum, 2005). The statement by Burns et al. [Am. Mineral. 68, 972-980 (1983)], "buserite was accepted as a mineral name by the commission on New Minerals by a small majority (M. Fleischer, personal communication, 1974).", is not correct (E. Burke, Mindat forum, 2005).

Classification of Buserite


4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra

Chemical Properties of Buserite

Na4Mn14O27 · 21H2O

Crystallography of Buserite

platelets up to 0.0004mm

Other Language Names for Buserite


Common Associates

Associated Minerals Based on Photo Data:
Birnessite1 photo of Buserite associated with Birnessite on
Vernadite1 photo of Buserite associated with Vernadite on

Related Minerals - Nickel-Strunz Grouping

4.FL.05WoodalliteMg6Cr2(OH)16Cl2 · 4H2O
4.FL.05IowaiteMg6Fe3+2(OH)16Cl2 · 4H2O
4.FL.05MeixneriteMg6Al2(OH)16(OH)2 · 4H2O
4.FL.05MuskoxiteMg7Fe4O13 · 10H2O
4.FL.10HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
4.FL.15KuzeliteCa4Al2(OH)12[SO4] · 6H2O
4.FL.20Aurorite(Mn2+,Ag,Ca)Mn4+3O7 · 3H2O
4.FL.20Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
4.FL.20ErnienickeliteNiMn3O7 · 3H2O
4.FL.20Jianshuiite(Mg,Mn,Ca)Mn3O7 · 3H2O
4.FL.30Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
4.FL.40Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
4.FL.40Takanelite(Mn,Ca)Mn4O9 · H2O
4.FL.45Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
4.FL.55CianciulliiteMn(Mg,Mn)2Zn2(OH)10 · 2-4H2O
4.FL.60JenseniteCu3[TeO6] · 2H2O
4.FL.65LeisingiteCuMg2Te6+O6 · 6H2O
4.FL.70Akdalaite5Al2O3 · H2O
4.FL.75CafetiteCaTi2O5 · H2O

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Buserite

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Giovanoli, R., et al. (1970), Helvetica Chemica Acta 53, 454-464.
Burns, R.G., Burns, V.M., Stockman, H. (1983): A review of the todorokite-buserite problem: Implications to the mineralogy of marine manganese nodules: American Mineralogist, 68, 972-980.
Golden, D.C., Chen, C.C., Dixon, J.B. (1987): Transformation of birnessite to buserite, todorokite, and manganite under mild hydrothermal treatment. Clays and Clay Minerals, 35, 271-280.
Usui, A., Mita, N., Hariya, Y. (1991) Manganese minerals from a hot spring, Yuno-Taki Falls, Mt Me-Akan, Hokkaido. Mining Geology, 42, 3, 210-211.
Bilinski, H., Giovanoli, R., Usui, A., Hanzel, D. (2002): Characterization of Mn oxides in cemented streambed crusts from Pinal Creek, Arizona, U.S.A., and in hot-spring deposits from Yuno-Taki Falls, Hokkaido, Japan: American Mineralogist: 87: 580-591.

Internet Links for Buserite URL:
Please feel free to link to this page.

Localities for Buserite

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Atlantic Ocean
Varentsov, I. M., Drits, V. A., & GORSCHKOV, A. (2009, April). Mineralogy, geochemistry and genesis of manganese-iron crusts on the Bezymiannaya Seamount 640, Cape Verde Plate, Atlantic. In Sediment-Hosted Mineral Deposits: Proceedings of a Symposium Held in Beijing, People's Republic of China, 30 July-4 August 1988 (pp. 89-107). Blackwell Publishing Ltd..
  • Carinthia
    • Friesach - Hüttenberg area
      • Friesach
        • Olsa
European Journal of Mineralogy 17(1), 163-172(2005)
  • Hokkaido
    • Kushiro Province
      • Akan National Park
        • Me-akan volcano
Bilinski, et al. (2002) Am. Min. 87, 580-591
  • Honshu Island
    • Tohoku Region
      • Aomori Prefecture
        • Naka-Tsugaru-gun
          • Nishimeya-mura
(Fuji News, 8-12-2004: loose nodules deposited in waters of flooded galleries; post-mining)
  • Kyushu Region
    • Nansei Archipelago
      • Kagoshima Prefecture
        • Mishima village
Kazue, T. (2000) Clays and Clay Minerals, 48, 511-520
  • Tokyo Metropolis
    • Izu Archipelago
      • Nishi Shichito Ridge
Jose Carlos Mañuz Sanz collection
  • Edinet
    • Criva
Klimchouk, A. (2012). Gypsum karst in the Western Ukraine. International Journal of Speleology, 25(3), 20.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Ilmen Mts
          • Ilmen Natural Reserve
Palchik, N. A., Moroz, T. N., Grigorieva, T. N., & Miroshnichenko, L. V. (2014). Manganese minerals from the Miassovo freshwater lake: Composition and structure. Russian Journal of Inorganic Chemistry, 59(5), 511-518.
  • Crimea Oblast'
    • Crimea peninsula
Chukhrov F.V., Gorshkov A.I., Berezovskaya V.V., Sivtsov A.V. (1987) New data on mineralogy of Kerch ores, - Izvestiya AN SSSR, ser. geol., 4, p. 60-77 (in Rus.)
  • Arizona
    • Gila Co.
      • Globe-Miami District
        • Globe Hills District
          • Globe Hills
            • Globe
              • Globe Placers
Am. Min. 87, 580-591 (2002)
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