TrekGEO > Mineral Trail > Kanto region > Gunma pref. > Aragonite

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Sanbagawa, Fujioka city, Gunma pref., Japan

This locality is closed to collecting.


Field of view: 3 mm. Aragonite perched on an open space of serpentinite. Clear needles are aragonite. The yellowish-green basement is serpentinite.

Recovered from an open space in a meteoric oxidation zone of serpentinite in an accretionary complex subjected to Greenschist facies high-pressure metamorphism.


Field of view: 100 mm. Aragonite on the surface of serpentinite. The opaque white parts are groups of dull prisms of aragonite. The dark green host is serpentinite.

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