TrekGEO > Mineral Trail > Kanto region > Saitama pref. > Oxyplumboroméite, Oxyplumboromeite

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Chichibu Mine

Otaki, Chichibu city, Saitama pref., Japan



Oxyplumboroméite, Oxyplumboromeite

Field of view: 10 mm. The massive yellow part is Oxyplumboroméite. The brown part is limonite. The host is composed of translucent gangue quartz with minor amount of granular black stibnite and granular brown sphalerite.

Recovered from a meteoric oxidation zone of a moderately low-temperature hydrothermal deposit combined with skarn formed by contact metamorphism of I-type (magnetite-series) quartz diorite.

The first Oxyplumboroméite from Japan was reported from this location in 1959.

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