Schorl
Yatsuhashi, Shitara city, Kita-Shitara county, Aichi pref., Japan
This locality is strictly closed to collecting.
Field of view: 10 mm. A crystal of schorl. The black prism is schorl. The surrounding opaque white parts are plagiolcase and K-feldspar.
Recovered from a pegmatite vein of S-type (Ilmenite-series) granodiorite origin traversing pelitic schist subjected to Amphibolite facies regional metamorphism and contact metamorphism by granodiorite. Formed in the Late Cretaceous (85 Ma).
Other localities
- Taguchi Mine (Pegmatite, Prismatic)
- Asemi river (GS facies, Radial)
- Yukiiri (Pegmatite, Prismatic)
- Hanazono Mine (Pegmatite, Prismatic)
- Mount Atago (Pegmatite, Columnar)
- Chichibu Mine (Aplite, Prismatic)