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Ashio, Tochigi Prefecture, Kanto Region, Honshu Island, Japan

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Mineral list contains entries from the region specified including sub-localities


Mineral List:
  		•  Ajoite
    (K,Na)Cu
     
    7
    		[(OH)
     
    6
    		|AlSi
     
    9
    		O
     
    24
    		] · 3H
     
    2
    		O
    Reference: [Numao et al (2005) Chigaku Kenkyu, 53, 213-220.]
  		•  Alabandite
    Mn
    2+
     
    		S
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
    Site Photo
    Ashio mine, Ashio, Tochigi Prefecture, Kanto region, Honshu Island, Japan
    © Diana & Dan Weinrich Minerals
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Copper Handbook 1911]
    Site Photo
    Ashio mine, Ashio, Tochigi Prefecture, Kanto region, Honshu Island, Japan
    © Rob Lavinsky
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [Copper Handbook 1911]
  		•  Bismoclite
    BiOCl
    Reference: [Ii & Hori (1992) Koubutsu-Gakkai Kou'en-Youshi, 159.]
  		•  Bismuth
    Bi
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
    Site Photo
    Ashio mine, Ashio, Tochigi Prefecture, Kanto region, Honshu Island, Japan
    © Rob Lavinsky
  		•  Bismuthinite
    Bi
     
    2
    		S
     
    3
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Bolivarite
    Al
     
    2
    		[(OH)
     
    3
    		|PO
     
    4
    		] · 4-5H
     
    2
    		O
    Description: in chalcopyrite ore
    Reference: [Matsubara et al. (1986) Bulletin of the National Science Museum (Tokyo), 12, 35-39.]
  		•  Bornite
    Cu
     
    5
    		FeS
     
    4
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.; Copper Handbook 1911; Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  Calcite
    CaCO
     
    3
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Canfieldite
    Ag
     
    8
    		(Sn,Ge)(S,Te)
     
    6
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Cannonite
    Bi
     
    2
    		[O|(OH)
     
    2
    		|SO
     
    4
    		]
    Reference: [Yamada and Terashima (2003) Suisyou, 16, 31-36.]
  		•  Cassiterite
    SnO
     
    2
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Chalcanthite
    CuSO
     
    4
    		·5H
     
    2
    		O
    Reference: [Alfredo Petrov collection - alfredo@mindat.org]
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [Copper Handbook 1911]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Copper Handbook 1911; Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
    Site Photo
    Ashio mine, Ashio, Tochigi Prefecture, Kanto region, Honshu Island, Japan
    © 2008, JGW
  		•  Chamosite
    (Fe
    2+
     
    		,Mg)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Cobaltkoritnigite
    (Co,Zn)[HAsO
     
    4
    		] · H
     
    2
    		O
    Reference: [Okada et al (1994) Abstracts, IMA General Meeting, 1994, 307-308.]
  		•  Copper
    Cu
    Reference: [Copper Handbook 1911]
  		•  Covellite
    CuS
    Reference: [Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  Cuprite
    Cu
     
    2
    		O
    Reference: [Copper Handbook 1911]
  		•  Djurleite
    Cu
     
    31
    		S
     
    16
    Reference: [Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  'Fayalite-Tephroite Series
    var: Knebelite'
    from (Fe
     
    1.5
    		Mn
     
    0.5
    		)
     
    2
    		SiO
     
    4
    		 to (Mn
     
    1.5
    		Fe
     
    0.5
    		)
     
    2
    		SiO
     
    4
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Ferberite
    FeWO
     
    4
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Fluorite
    CaF
     
    2
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Galena
    PbS
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.; Copper Handbook 1911]
  		•  Gold
    Au
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Gypsum
    var: Selenite
    Reference: [ Rocks & Min.: 21:580-583.]
  		•  Ikunolite
    Bi
     
    4
    		(S,Se)
     
    3
    Reference: [Knut Eldjarn collection, 5mm xl.]
    Site Photo
    Ashio mine, Ashio, Tochigi Prefecture, Kanto region, Honshu Island, Japan
    © Knut Eldjarn
  		•  Koechlinite
    (BiO)
     
    2
    		[MoO
     
    4
    		]
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Laitakarite
    Bi
     
    4
    		Se
     
    2
    		S
    Reference: [Alfredo Petrov collection]
  		•  Laumontite
    CaAl
     
    2
    		Si
     
    4
    		O
     
    12
    		·4H
     
    2
    		O
    Reference: [Dana 6:A3:44; Dana 7:II:745.]
  		•  Ludlamite
    (Fe,Mn,Mg)
     
    3
    		(PO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [Copper Handbook 1911]
  		•  Manganite
    Mn
    3+
     
    		O(OH)
    Reference: [Alfredo Petrov collection]
  		•  Manganogrunerite
    [ ][Mn
    2+
    2
    		][Fe
    2+
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Manganosite
    MnO
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Marcasite
    FeS
     
    2
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
    Site Photo
    Ashio mine, Ashio, Tochigi Prefecture, Kanto region, Honshu Island, Japan
    © Rob Lavinsky
  		•  Mawsonite
    Cu
     
    6
    		Fe
     
    2
    		SnS
     
    8
    Reference: [Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols]
  		•  Pyrite
    FeS
     
    2
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  'Pyrosmalite'
    (Fe,Mn)
     
    8
    		Si
     
    16
    		O
     
    15
    		(OH,Cl)
     
    10
    Reference: [(Erroneous ID; all quantitatively analyzed specimens have been manganpyrosmalite)]
  		•  Pyrosmalite-(Mn)
    (Mn,Fe)
     
    8
    		Si
     
    6
    		O
     
    15
    		(OH,Cl)
     
    10
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
    Site Photo
    Kyurasawa mine (Kyuurasawa; Kyurazawa), Ashio, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
    © 2008, JGW
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Copper Handbook 1911]
  		•  Quartz
    SiO
     
    2
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Copper Handbook 1911; Copper Handbook 1911]
  		•  Quartz
    var: Amethyst
    SiO
     
    2
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
    Site Photo
    Ashio mine, Ashio, Tochigi Prefecture, Kanto region, Honshu Island, Japan
    © Rob Lavinsky
  		•  Quartz
    var: Chert
    Reference: [Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)]
  		•  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: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Rucklidgeite
    (Bi,Pb)
     
    3
    		Te
     
    4
    Reference: [Ii et al (1993) Koubutsu-Gakkai Kou\'en-Youshi, 145.]
  		•  Scheelite
    Ca[WO
     
    4
    		]
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  'Sericite'
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Siderite
    FeCO
     
    3
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Silver
    Ag
    Reference: [Matsubara, S. (2003) Minerals in Japan, p. 10 (Field Best Encyclopedia, vol. 15) ]
  		•  Spessartine
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Copper Handbook 1911; Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  Stannite
    Cu
     
    2
    		(Fe,Zn)SnS
     
    4
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.; Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  Stannoidite
    Cu
    +
    6
    		Cu
    2+
    2
    		(Fe
    2+
     
    		,Zn)
     
    3
    		Sn
     
    2
    		S
     
    12
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.; Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  Stibnite
    Sb
     
    2
    		S
     
    3
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Tennantite
    (Cu,Ag,Fe,Zn)
     
    12
    		As
     
    4
    		S
     
    13
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.; Canadian Mineralogist Vol. 25, pp,229-236 (1987)]
  		•  Tephroite
    Mn
    2+
    2
    		[SiO
     
    4
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [(specimen labels)]
  		•  Vivianite
    Fe
    2+
    3
    		(PO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 745; Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Dana 6:A3:44; Dana 7:II:745.]
  		•  Wavellite
    Al
     
    3
    		[(OH,F)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		] · 5H
     
    2
    		O
    Description: "fischerite"
    Reference: [Okamoto collection (curated at the Geological Survey museum, Japan)]
  		•  Wittichenite
    Cu
     
    3
    		BiS
     
    3
    Reference: [Nakamura, T. & Aikawa,N. (1973) Journal of Geosciences, Osaka City University, 16, 1-10.]
  		•  Wolframite
    (Fe
    2+
     
    		)WO
     
    4
     
     
    		to (Mn
    2+
     
    		)WO
     
    4
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Zavaritskite
    BiOF
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]


    68 entries listed. 60 valid minerals. 1 erroneous literature entry.

    Localities in this Region:
    Japan
     
    • Honshu Island
      • Kanto region
        • Tochigi Prefecture
          • Ashio

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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