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Albite

Hirukawa

Nakatsugawa city, Gifu pref., Japan

Albite

Length of the left specimen: 10 mm. Crystals of albite. The left specimen is a group of platy albite crystals. The lower left part with a vitreous luster is a thin crust of topaz. The massive pale blue part of the right specimen is albite. The pale yellow micaceous crystals are muscovite.

Recovered from a pocket of a Topaz-NYF pegmatite associated with S-type (Ilmenite-series) granite. Formed in the late Cretaceous (67 Ma).

Albite from this location was described in 1904.

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