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Kamisugai mine, Ehime Prefecture, Shikoku Island, Japan

Metasedimentary manganese ore; mine now closed.



References:
Fukushima, H., Minakawa, T. & Nishio, D. (2005): Ba-rich tweddillite from the Kamisugai mine in the Sambagawa metamorphic belt, Shikoku, Japan. Ganseki Kobutsu Kagaku 34, 69-76. (in Japanese)





Mineral List:
Albite
Braunite
Calcite
Hollandite
Manganipiemontite-(Sr)
Mozartite
Piemontite


7 entries listed. 7 valid minerals.

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