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Hemimorphite

Takaneyama Mine

Naka, Shimoda city, Shizuoka pref., Japan

Hemimorphite

Field of view: 5 mm. A hemimorphite crystal. The transparent prism is hemimorphite. The surrounding opaque white host is gangue quartz.

Recovered from an open space of a quartz vein in a meteoric oxidation zone of a moderate-temperature hydrothermal deposit associated with andesitic-basaltic pyroclastic rocks of an oceanic arc subjected to propylitization alteration.

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