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Imogolite

Kanuma

Shimo-Ishikawa, Kanuma city, Tochigi pref., Japan

Imogolite

Diameter of upper grain: 10 mm. Imogolite in weathered pumice. Imogolite is very fine bundled tubes associated with allophane. It is too small to observe optically.

Imogolite from this location was described in 1966.

Other localities

  • Kanuma (Mount Akagi)
  • Hitoyoshi basin (Kikai caldera)
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