Toi mine, Toi-cho, Shizuoka Prefecture, Chubu Region, Honshu Island, Japan

Closed gold-silver mine which worked low-temperature veins in altered volcanic rocks. Mining was made difficult by underground hot springs. (1958 production 185 Kg Au and 1,283 Kg Ag, from ore averaging 10.0 g/t Au, 69 g/t Ag. Ref: Geological Survey of Japan, 1960)

Mineral List:

	Truscottite

	Wairakite

2 entries listed. 2 valid minerals.

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