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Kinjo Mine

Kakino, Yamagata city, Gifu pref., Japan


Field of view: 10 mm. Tyrolite associated with chalcopyrite. The fan-like groups of tabular bluish-green crystals with a vitreous luster are tyrolite. The white basement is calcite, and the brown parts are chalcopyrite encrusted with limonite.

Recovered from a meteoric oxidation zone of a moderately high-temperature hydrothermal deposit combined with skarn formed by contact metamorphism of I-type (Magnetite-series) granite associated with a caldera complex.

Tyrolite from this location was described in 1952.

Other localities

  • Kinjo Mine (Hydrothermal Skarn, Tabular)
  • Kohmoto (Hydrothermal Skarn, Tabular)
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