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Natsume Mine

Natsume, Oya city, Yabu county, Hyogo pref., Japan


Width: 30 mm. Gersdorffite associated with nickeline. The massive dark gray parts are gersdorffite, and the massive copper-red parts are nickeline.

Recovered from a Nickeline-Gersdorffite nodule of a Fe-Ni deposit in serpentinitized harzburgite, a part of an opholite.

The first gersdorffite from Japan was reported from this location in 1907.

Other localities

  • Taguchi Mine (Bedded Mn, AM facies)
  • Takara Mine (Bedded Mn, AM facies)
  • Hagidaira Mine (Bedded Mn, Hbl facies)
  • Natsume Mine (Serpentinite, Nodule)
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