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Brochantite

Naganobori Mine

Naganobori, Mito village, Mine city, Yamaguchi pref., Japan

Source for copper

Brochantite

Field of view: 5 mm. Brochantite associated with limonite. The green parts are groups of tabular brochantite crystals. The brown basement is limonite.

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

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