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Hedenbergite

Kobushi Mine

Azusayama, Kawakami city, Minami-Saku county, Nagano pref., Japan

Hedenbergite

Field of view: 30 mm. A crystal of hedenbergite. The dark green prisms are hedenbergite. The opaque white parts are calcite.

Recovered from skarn formed by contact metamorphism of S-type (Ilmenite-series) diorite. Formed in the late Miocene (11 Ma).

Hedenbergite from this location was described in 1898.

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