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

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Kisan-mori Mine

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


Field of view: 15 mm. Earthy osarizawaite. The earthy green parts are groups of fine osarizawaite crystals. The white host is gangue quartz.

Recovered from an open space of a quartz vein in a meteoric oxidation zone of a moderate-temperature hydrothermal deposit in andesitic pyroclastics formed by dacite probably associated with volcanic activity of a caldera.

Osarizawaite from this location was described in 1970.

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