Kamaishilite
Kamaishi Mine
Kamaishi city, Iwate pref., Japan
Field of view: 20 mm. Kamaishilite in vesuvianite skarn. The grayish-brown parts at the center and at the lower left are aggregate of fine crystals of vesuvianite and kamaishilite. Kamaishilite is transparent grains on a microscopic scale. The green parts are aggregate of fine epidote crystals, and the white parts are crystalline limestone.
Recovered from skarn formed by contact metamorphism of I-type (Magnetite-series) granodiorite.
The first kamaishilite in the world was described from this location in 1981.