Malachite
Suzugouya, Shirosato city, Higashi-ibaraki county, Ibaraki pref., Japan
Source for copper
Field of view: 10 mm. Fibrous malachite. The fan-like groups of fibrous green crystals are malachite. The brown basement is limonite.
Recovered from a quartz vein in a meteoric oxidation zone of a pneumatolytic deposit formed by S-type (Ilmenite-series) granite.
Malachite from this location was described in 2005.
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)