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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

35 valid minerals. 1 (TL) - type locality of valid minerals.

Localities in this Region

  • Honshu Island
    • Kinki Region

The above list contains all mineral locality references listed on 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 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.


Harada, K., Honda, M., Nagashima, K., Kanisawa S. (1977) Masutomilite, manganese analog of zinnwaldite, with special reference to masutomilite-lepidolite-zinnwaldite series. Mineralogical Journal (Japan): 8: 95-100.

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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