Brochantite

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

Source for copper

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.

Other localities

List of Japanese brochantite localities

Kamioka Mine (Pneumatolytic Skarn, Crust)
Naganobori Mine (Pneumatolytic Skarn, Crust)
Kawazu Mine (Hydrothermal, Primsatic)
Mikawa Mine (Hydrothermal, Primsatic)
Kisan-mori Mine (Hydrothermal, Prismatic)
Myoho Mine (Sediment-hosted Cu, Tabular)