TrekGEO > Mineral Trail > Koshinetsu region > Fukui pref. > Grossular

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Nakatatsu Mine

Kami-Ono, Ono city, Fukui pref., Japan


Field of view: 10 mm. Grossular associated with calcite. The dodecahedral grayish-green crystals are grossular. The white parts in the interstices of grossular crystals are calcite.

Recovered from skarn formed by contact metamorphism of I-type (Magnetite-series) granite. Formed in the Late Triassic (220 Ma).

Garnet from this location was described in 1942.

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