TrekGEO > Mineral Trail > Tokai region > Gifu pref. > Fluorite

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Hiraiwa Mine

Kaminoho, Seki city, Gifu pref., Japan

This locality is closed to collecting.


Size of the crystal: 10 mm. An euhedral crystal of fluorite. The dodecahedral transparent pale green crystal is fluorite. The surrounding white host is gangue quartz.

Recovered from a quartz vein associated with granite porphyry, a part of a parallel dike swarm formed at the last stage of a caldera complex intruded in an accretionary complex. Formed in the middle Paleocene (60 Ma).

Fluorite from this location was described in 1950.

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