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Kyuragi Mine, Saga Prefecture, Kyushu Island, Japan

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Contact-metamorphosed sedimentary manganese ore. Ref: Katsu Kaneko, in: Symposium sobre yacimientos de manganeso; Mexico (1956)





Mineral List:
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)]
  		•  'Adularia'
    KAlSi
     
    3
    		O
     
    8
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Alleghanyite
    Mn
    2+
    5
    		[(OH)
     
    2
    		|(SiO
     
    4
    		)
     
    2
    		]
    Reference: [Okamoto collection (curated at the Geological Survey museum, Japan)]
  		•  'Amphibole Group'
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  'Aquacreptite'
    Reference: [Okamoto collection (curated at the Geological Survey museum, Japan)]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  'Chalcedony' ?
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Jacobsite
    Mn
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Okamoto collection (curated at the Geological Survey museum, Japan)]
  		•  Lizardite
    Mg
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
    Reference: [Okamoto collection (curated at the Geological Survey museum, Japan)]
  		•  Marcasite
    FeS
     
    2
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  'Mica Group'
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Molybdenite
    MoS
     
    2
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Nickeline
    NiAs
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Opal ?
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Pyrophanite
    Mn
    2+
     
    		TiO
     
    3
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Quartz
    SiO
     
    2
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Rhodochrosite
    MnCO
     
    3
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Rhodonite
    MnSiO
     
    3
    Reference: [Okamoto collection (curated at the Geological Survey museum, Japan); Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Tephroite
    Mn
    2+
    2
    		[SiO
     
    4
    		]
    Reference: [Okamoto collection (curated at the Geological Survey museum, Japan); Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]


    23 entries listed. 18 valid minerals.

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