TrekGEO > Mineral Trail > Tohoku region > Akita pref. > Cerussite

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Kisan-mori Mine

Kyowa-Funaoka, Daisen city, Akita pref., Japan


Field of view: 7 mm. Granular cerussite. The translucent white parts are cerussite. The cerussite grain at the center is a pseudocubic penetration twin by three prisms. The notch at the center of the grain indicates that the grain is a twin. The basement is gangue quartz encrusted with dark brown limonite.

Recovered from an open space of a quartz vien in a meteoric oxidation zone of a moderate-temperature hydrothermal deposit in andesitic pyroclastics formed by dacite probably associated with a volcanic activity of a caldera. Formed in less than 50 years after the mine was closed,

Cerussite from this location was described in 1898.

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