Copper
Shiromaru, Okutama city, Nishi-Tama county, Tokyo, Japan
Field of view: 10 mm. Copper associated with celsian. The reddish-brown parts are copper. The surrounding white parts are celsian.
Recovered from a celsian block in a chert-hosted bedded manganese deposit subjected to Zeolite facies metamorphism.
Copper from this location was described in 2000.
Other localities
- Shiromaru Mine (Bedded Mn, Celsian)
- Kusama Mine (Bedded Mn, Hematite)
- Nakayashiki (Hyaloclastite, Calcite)
- Nagatoro (Greenschist facies)