TrekGEO > Mineral Trail > Hokkaido region > Pyrargyrite/Proustite

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Date Mine

Kimonbetsu village, Date city, Iburi branch, Hokkaido, Japan

Source for Silver


Field of view: 2 mm. Pyrargyrite or proustite associated with acanthite. The red grains are pyrargyrite or proustite. The surrounding transparent basement is gangue quartz. The black to brown parts are limonite crusts.

Recovered from a quartz vein in a meteoric oxidation zone of a hydrothermal Au-Ag deposit associated with andesitic-dacitic tuff breccia, eruption products of a submarine caldera.

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