Arsenopyrite
Furikusa, Toei city, Kita-Shitara county, Aichi pref., Japan

Field of view: 20 mm. Floater of arsenopyrite. Rhombohedral short prisms.
Recovered from a sericitization alteration zone associated with a caldera complex. Formed in the middle Miocene (14 Ma),
Arsenopyrite from this location was described in 1897.
Other localities
- Chichibu Mine (Hydrothermal Skarn, Prismatic)
- Awashiro Mine (Sericitization, Floater)
- Natsume Mine (Serpentinite, Massive)