Wollastonite
Higashi-Akatani, Shibata city, Niigata pref., Japan
Width: 50 mm. A group of wollastonite. The fan-like group of white fibers with a vitreous luster is wollastonite.
Recovered from skarn formed by contact metamorphism of S-type (Ilmenite-series) granodiorite. Formed in the middle Paleocene (60 Ma).
Wollastonite from this location was described in 1952.
Other localities
- Kasuga Mine (Dolomite Skarn, Columnar)
- Nakatatsu Mine (Skarn, Radial)
- Chichibu Mine (Skarn, Prismatic)
- Naganobori Mine (Skarn, Fibrous)
- Akatani Mine (Skarn, Fibrous)
- Kadoi creek (Skarn, Fibrous)