Malachite
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.
Other localities
- Kisan-mori Mine (Hydrothermal, Radial)
- Mikawa Mine (Hydrothermal, Botryoidal)
- Okorogawa Mine (Hydrothermal, Crust)
- Takatori Mine (Pneumatolytic, Fibrous)
- Kamioka Mine (Pneumatolytic Skarn, Crust)
- Myoho Mine (Sediment-hosted Cu, Crust)
- Kusama Mine (Bedded Mn, Reniform)