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Ishikawa-gun, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan

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Numerous pegmatite lenses in granite and granitic gneiss, worked commercially for feldspars for the ceramic industry. (Minerals listed here are all from the Ishikawa District, but not necessarily from pegmatite parageneses.)




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


Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  'Allanite'
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Almandine
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
    Site Photo
    Ishikawa-gun, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
    © 2008, JGW
  		•  Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Beyerite
    Ca(BiO)
     
    2
    		(CO
     
    3
    		)
     
    2
    Reference: [The Mineral Species of Japan (5th ed) Matsubara]
  		•  Biotite
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Bismuth
    Bi
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Chrysoberyl
    BeAl
     
    2
    		O
     
    4
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Columbite-(Fe)
    FeNb
     
    2
    		O
     
    6
    Reference: [Alfredo Petrov collection]
  		•  Corundum
    var: Sapphire
    Al
     
    2
    		O
     
    3
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Euxenite-(Y)
    (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
     
    2
    		O
     
    6
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  'Fergusonite'
    Reference: [Hasegawa, S. (1961) Chemical compositions of allanite, fergusonite and monazite from the Ushiroda pegmatite, Ishikawa town, Fukushima Prefecture. Journal of the Japanese Association Mineral. Petrol., Economic Geol.: 46: 57-61 (in Japanese).]
  		•  Gahnite
    ZnAl
     
    2
    		O
     
    4
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Gold
    Au
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Ishikawaite (TL)
    U
    4+
     
    		Fe
    2+
     
    		Nb
     
    2
    		O
     
    8
    Type Locality: Ishikawa-gun, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
    Reference: [Min Mag 63 (1999), 27.]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  'Monazite'
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Monazite-(Ce)
    (Ce,La,Nd,Th)PO
     
    4
    Reference: [Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
  		•  Polycrase-(Y)
    (Y,U)(Ti,Nb)
     
    2
    		O
     
    6
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Pucherite
    BiVO
     
    4
    Reference: [Miyawaki et al (1999) Bulletin of the National Science Museum, 25, 59-64.; Miyawaki et al (1999) Bulletin of the National Science Museum, 25, 59-64.]
  		•  Quartz
    SiO
     
    2
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Quartz
    var: Smoky Quartz
    SiO
     
    2
    Reference: [Alfredo Petrov collection (ex- K. Watanabe collection)]
  		•  Samarskite-(Y)
    (Y,Fe
    3+
     
    		,Fe
    2+
     
    		,U,Th,Ca)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo]
    Site Photo
    Ishikawa-gun, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
    © Jasun McAvoy
  		•  Sekaninaite
    (Fe,Mg)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Tetraferriannite
    KFe
    2+
    3
    		[(OH)
     
    2
    		|(Fe
    3+
     
    		,Al)Si
     
    3
    		O
     
    10
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Thorogummite
    (Th,U)[(OH)
     
    4x
    		|(SiO
     
    4
    		)
     
    1-x
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Torbernite
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  'Tourmaline'
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Uedaite-(Ce)
    Mn
    2+
     
    		CeAl
     
    2
    		Fe
    2+
     
    		[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Miyawaki, R., K.Yokoyama, S. Matsubara, Y. Tsutsumi & A. Goto (2008): Uedaite-(Ce), a new member of the epidote group with Mn at the A site, from Shodoshima, Kagawa Prefecture, Japan. Eur. J. Mineralogy 20, 261-269.]
  		•  Uraninite
    UO
     
    2
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Uranophane
    Ca(UO
     
    2
    		)
     
    2
    		[HSiO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    Reference: [Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan)]
  		•  Xenotime-(Y)
    YPO
     
    4
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Introduction to Japanese Minerals (Geological Survey of Japan, 1970)]


    39 entries listed. 30 valid minerals. 1 type locality (valid mineral).

    Localities in this Region:
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Fukushima Prefecture
          • Ishikawa-gun

    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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