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Oppu mine, Nishimeya-mura, Naka-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan

First worked in the late 17th century for silver ore, then during the 18th century for copper. In the 19th century it produced lead, zinc and cadmium, until it was closed in 1979. Reworked on a small scale in the 1980s for its banded rhodochrosite as lapidary material.

Famous for its beautiful banded mammillary rhodochrosite specimens. Ref.: (in part): Rocks & Min.: 61:11.

(Buserite found at lower 7 level of the mine).





Mineral List:
Buserite
Calcite
Chalcopyrite
Galena
Marcasite
Pyrite
Quartz
Rhodochrosite
Sphalerite


9 entries listed. 8 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Nov 2009 23:10:32