Manganese mine worked by two widely separated sections, the Kawakami adit and Ofuji adit, separated by about 4.5 km. Banded metasedimentary ore hosted in Paleozoic chert.
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!