Actinolite

Kasuga-Mitsuka, Ibigawa city, Ibi county, Gifu pref., Japan

Field of view: 3 cm. Thick prismatic actinolite. The green prisms are actinolite. Surrounding white parts with clear cleavages are calcite

Recovered from the dolomite skarn formed by contact metamorphism of S-type (Ilmenite-series) granite. Formed in the Late Cretaceous (96 Ma).

Actinolite from this location was described in 1964.

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