Hematite
Sennin, Waga village, Kitakami city, Iwate pref., Japan
Source for Iron
Field of view: 10 mm. A group of hematite. The rosette group of hexagonal platy black crystals with a metellic luster is hematite.
Recovered from an oxidative metazomatic zone combined with skarn formed by contact metamorphism of S-type (Ilmenite-series) granodiorite. Formed in the middle Miocene (15 Ma).
Hematite from this location was described in 1889.
Other localities
- Waga-sennin Mine (Metasomatic Skarn, Rosette)
- Akatani Mine (Metasomatic Skarn, Platy)
- Chichibu Mine (Hydrothermal Skarn, Platy)
- Mikawa Mine (Hydrothermal, Botryoidal)
- Gozaisho Mine (Bedded Mn, Tabular)
- Iwaisawa Mine (Bedded Mn, Massive)
- Sukayu (Bog Iron, Powder)
- Gunma Mine (Bog Iron, Powder)