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Ioi Mine, Shiga Prefecture, Kinki Region, Honshu Island, Japan

Metamorphosed sedimentary manganese ores, parallel to bedding in Paleozoic meta-chert. A granitic batholith outcrops 3 km east of the mine, and may be related to the regional metamorphism.





Mineral List:
'Adularia'
Alabandite
Albite
Alleghanyite ?
'Amphibole Group'
Arsenopyrite
Baryte
Bementite
Birnessite
'Chlorite Group'
Galaxite
'Garnet Group'
Hausmannite
Jacobsite
Manganosite
Marcasite
'Mica Group'
Neotocite
Pyrochroite
Pyrrhotite
Quartz
var: Chert
Rhodochrosite
Rhodonite
Shigaite (TL)
Sonolite
Spessartine
Tephroite


28 entries listed. 22 valid minerals. 1 type locality (valid mineral).

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