TrekGEO > Mineral Trail > Kanto region > Ibaraki pref. > Schorl

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Kasumigaura city, Ibaraki pref., Japan

This locality is closed to collecting.


Field of view: 30 mm. A crystal of schorl. The black prism is schorl with pyramidal faces a the left termination. The surrounding opaque white part is feldspar. The brown grain at the upper right is zircon.

Recovered from a beryl-columbite-phosphate subtype rare-element pegmatite associated with S-type (Ilmenite-series) granite. Formed in the middle Paleocene (60 Ma).

Schorl from this location was described in 1977.

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