Chromite
Onishi, Fujioka city, Gunma pref., Japan
Source for Chromium
Field of view: 10 mm. Single crystals of chromite. The octahedral black grains are cross sections of chromite. The yellowish-green host is weathered serpentinite.
Recovered from serpentinite of a Cr deposit associated with serpentinite in an accretionary complex subjected to Greenschist facies high-pressure metamorphism.
Chromite from this location was described in 1955.
Other localities
- Bifuka (Magmatic, Granular)
- Yashio Mine (GS facies serpentinite, Granular)
- Dainichi Mine (Magmatic, Granular)