Rhodochrosite

Kanoiri Mine

Kusagyu, Kanuma city, Tochigi pref., Japan

Field of view: 50 mm. A group of granular rhodochrosite crystals. The pink grains are rhodochrosite. The crystals with large cleavage surfaces at the upper left of this photograph is rhodonite.

Recovered from a chert-hosted bedded manganese deposit subjected to Albite-Epidote-hornfels facies contact metamorphism.

Other localities

List of Japanese rhodochrosite localities

Taguch Mine (Bedded Mn, AM facies)
Kiyokawa Mine (Bedded Mn, Zeo facies)
Mogurasawa Mine (Mn Skarn, Granular)
Kanoiri Mine (Mn Skarn, Granular)
Chichibu Mine (Hydrothermal Skarn, Sulfide)