TrekGEO > Mineral Trail > Tohoku region > Fukushima pref. > Rhodonite

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Gozaisho Mine

Odaira, Tono village, Iwaki city, Fukushima pref., Japan

Source for manganese


Field of view: 2 mm. Rhodonite associated with braunite. The transparent red grains are rhodonite. The surrounding massive black parts are braunite. The white grains are quartz.

Recovered from a bedded manganese deposit subjected to Epidote-Amphibolite facies regional metamorphism and contact metamorphism by granite.

Rhodonite from this location was described in 1952.

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