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Ichinokawa mine, Saijo City, Ehime Prefecture, Shikoku Island, Japan

Stibnite
Ichinokawa mine, Saijo City, Ehime Prefecture, Shikoku Island, Japan

Photo: 2001 John H. Betts

Latitude: 33°53'20"N
Longitude: 133°13'10"E

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愛媛県西条市市之川鉱山

Famous for its marvelous stibnite specimens, now found in museums around the world. Best specimens found in the late 19th century, during peak productivity of the mine (16,600 tons Sb produced 1875 to 1900). Closed in the 1950s. Locality labels for these specimens often under the obsolete name "Iyo province".

Simple stibnite-quartz veins cut across Cretaceous or Tertiary conglomerates and the underlying Sambagawa Belt schists and phyllites. The veins have been totally worked out, and it is hard to find even traces of stibnite here now.

Mineral List

Arsenopyrite
Calcite
Cinnabar

Coquandite
Klebelsbergite
Pyrite

Quartz
'Roméite Group
var: Stibiconite'
Stibnite

Valentinite

10 entries listed. 9 valid minerals.

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References

- Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.

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Current server date and time: 13th May 2013 21:16:15