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Hanawa mine, Gunma Prefecture, Kanto Region, Honshu Island, Japan

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Metasedimentary manganese ore in Permian chert. Located 16 km north of Kiryu City.
(NB: Not to be confused with the Hanawa manganese mine in Miyako city, Iwate prefecture.)





Mineral List:
  		•  Alabandite
    Mn
    2+
     
    		S
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Alleghanyite
    Mn
    2+
    5
    		[(OH)
     
    2
    		|(SiO
     
    4
    		)
     
    2
    		]
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Bementite
    Mn
     
    5
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    6
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Galaxite
    (Mn,Fe,Mg)(Al,Fe)
     
    2
    		O
     
    4
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Pyroxmangite
    MnSiO
     
    3
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Rhodochrosite
    MnCO
     
    3
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Rhodonite
    MnSiO
     
    3
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Spessartine
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Tephroite
    Mn
    2+
    2
    		[SiO
     
    4
    		]
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]


    9 entries listed. 9 valid minerals.

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