TrekGEO > Mineral Trail > Kanto region > Tochigi pref. > Spessartine

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Oashi Mine

Kusagyu, Kanuma city, Tochigi pref., Japan


Field of view: 30 mm. Spessartine associated with rhodonite. The fine transparent pale brown crystals are spessartine. The massive pale pink basement is aggregate of fine quartz and rhodonite crystals.

Recovered from a chert-hosted bedded manganese deposit subjected to Hornblende-hornfels facies contact metamorphism.

Spessartine from this location was described in 1960.

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