TrekGEO > Mineral Trail > Koshinetsu region > Toyama pref. > Malachite

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Mozumi deposit, Kamioka Mine

Mount Ikeno, Okunoyama, Toyama city, Toyama pref., Japan

This locality is closed to collecting.

Source for copper


Field of view: 5 mm. A crust of malachite. The crust-like group of acicular green crystals is malachite. The brown basement is limonite.

Recovered from a meteoric oxidation zone of a pneumatolytic deposit combined with skarn formed by contact metamorphism of I-type (magnetite-series) granite.

Malachite from this location was described in 1885.

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