TrekGEO > Mineral Trail > Kanto region > Tochigi pref. > Ferberite

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Nishizawa Mine

Kawamata, Nikko city, Tochigi pref., Japan

Source for Tungsten


Field of view: 10 mm. Ferberite. The tabular black crystals are ferberite. The white host is gangue quartz.

Recovered from a quartz vein of a hydrothermal Au-Ag deposit associated with rhyolitic tuff breccia, eruption products of a caldera. Formed in the late Miocene (7.2 Ma).

Ferberite from this location was described in 1908.

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