TrekGEO > Mineral Trail > Tokai region > Gifu pref. > Hemimorphite

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Horado Mine

Horado-Komi, Seki city, Gifu pref., Japan


Field of view: 30 mm. A group of hemimorphite. The botryoidal group of the tabular transparent crystals with a strong vitreous luster is hemimorphite. The acicular white crystals are tremolite. The brown part at the lower right is gangue quartz encrusted with limonite.

Recovered from an open space of a quartz vein of a meteoric oxidation zone of a moderate-temperature hydrothermal deposit combined with skarn formed by contact metamorphism of I-type (magnetite-series) granite associated with a caldera complex.

Hemimorphite from this location was described in 1941.

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