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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.)




Group 2 - Sulphides and Sulfosalts
  		• Alabandite2.CD.10
    Mn
    2+
     
    		S
    Group 4 - Oxides and Hydroxides
  		• Galaxite4.BB.05
    (Mn,Fe,Mg)(Al,Fe)
     
    2
    		O
     
    4
    Group 5 - Nitrates and Carbonates
  		• Rhodochrosite5.AB.05
    MnCO
     
    3
    Group 9 - Silicates
  		• Alleghanyite9.AF.45
    Mn
    2+
    5
    		[(OH)
     
    2
    		|(SiO
     
    4
    		)
     
    2
    		]
  		• Bementite9.EE.05
    Mn
     
    5
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    6
  		• Pyroxmangite9.DO.05
    MnSiO
     
    3
  		• Rhodonite9.DK.05
    MnSiO
     
    3
  		• Spessartine9.AD.25
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Tephroite9.AC.05
    Mn
    2+
    2
    		[SiO
     
    4
    		]


    9 entries listed. 9 valid minerals.

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