TrekGEO > Mineral Trail > Chugoku region > Shimane pref. > Molybdenite

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Komaki Mine

Yokota, Oku-Izumo city, Nita county, Shimane pref., Japan

Source for Molybdenum


Field of view: 20 mm. Hexagonal tabular molybdenite. The hexagonal tabular silver crystal at the bottom of the specimen is molybdenite. The white host is gangue quartz, a vein in granite. The yellow part at the bottom of molybdenite is ferrimolybdite. The brown part is a limonite crust.

Recovered from a quartz vein in a pneumatolytic deposit in I-type (Magnetite-series) granite. Formed in the early Paleocene (65 Ma).

Molybdenite from this location was described in 1945.

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