Epidote
Ashigawa village, Fuefuki city, Yamanashi pref., Japan
Field of view: 15 mm. Epidote formed from anothite. The grayish-green grains are epidote exhibiting perfect cleavage. The surrounding white host is composed of fine grains of quartz.
Recovered from tuff subjected to Albite-Epidote-hornfels facies contact metamorphism by I-type (Magnetite-series) quartz diorite. Formed in the middle Miocene (12 Ma).
Epidote from this location was described in 2008.
Other localities
- Asemi river (GS facies, Columnar)
- Chichibu Mine (Skarn, Prismatic)
- Kami-Takeshi (Epidotization, Radial)
- Oshuku (AE facies, Prismatic)