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Tanakami-yama (Tanokami-yama), Otsu City, Shiga Prefecture, Kinki Region, Honshu Island, Japan
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Granite pegmatite district, mined for centuries for its feldspar for the local ceramic industry. Crystal pockets have been almost completely worked out by local mineral collectors, and many of the dumps are overgrown with forest, so not much of collector interest is left to find here.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Albite
Allanite-(Ce)
Beryl
'Biotite'
Cassiterite
Euxenite-(Y)
Fergusonite-(Y)
Fluorite
Gadolinite-(Y)
Galena
'Heulandite'
Hingganite-(Y)
Hübnerite
Lazulite
Masutomilite (TL)
Microcline
var: Amazonite
Milarite
Molybdenite
Monazite-(Ce)
Montmorillonite
Muscovite
Opal
var: Opal-AN

Orthoclase
Pyrite
Pyrolusite
Pyrrhotite
Quartz
var: Smoky Quartz
Ralstonite ?
Rutile
Samarskite-(Y)
Schorl
Siderite
Sphalerite
Topaz
'Tourmaline'
Vivianite
'Wolframite'
Yttrotantalite-(Y)
'Zinnwaldite'
Zircon


45 entries listed. 34 valid minerals. 1 type locality (valid mineral).

Localities in this Region

Japan
  • Honshu Island
    • Kinki region
      • Shiga prefecture
        • Otsu City

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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Rakovan, J., Ono, M. and Francis, C. (2009). Tanakamiyama: A Classic Japanese Pegmatite District. Rocks & Minerals, 84:520-527.

角谷安華, 河野俊夫, 中野聰志, 西村彰子, & 星野美保子. (2012). Case study of zircon from a pegmatite in the Tanakami Granite pluton, central Japan: Occurrence, morphology, texture and chemical composition. Bulletin Of The Geological Survey Of Japan, 63(7-8), 203-226.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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