Oashi mine (Ou'ashi mine), Tochigi Prefecture, Kanto Region, Honshu Island, Japan

Chert-hosted Paleozoic metasedimentary ("bedded") manganese ore, contact metamorphosed by a granitic intrusion. (Third locality in the world for galaxite - 1936.)

Mineral List:

	Alabandite

	Galaxite

	Helvite

	Manganosite

	Rhodochrosite

	Tephroite

6 entries listed. 6 valid minerals.

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