Johkoku mine (Jôkoku mine; Jokoku mine), Kaminokuni, Hiyama District, Hiyama Subprefecture, Hokkaidō Prefecture, Japan

Minerals

Acanthite,Actinolite,Andradite-Grossular Series,Ankerite,Annabergite,Argyrodite,Arsenopyrite,Arsenpolybasite,Baryte,Billingsleyite,Calcite,Manganese-bearing Calcite,Chalcopyrite,Chlorite Group,Copiapite,Coronadite,Cryptomelane,Diopside,Dolomite,Epidote,Famatinite,Ferrohexahydrite,Freibergite Subgroup,Galena,Garnet Group,Geocronite,Gersdorffite,Goethite,Gold,Electrum,Goslarite,Gypsum,Hematite,Hessite,Hexahydrite,Ilesite,Jôkokuite,Kaolinite,Kutnohorite,Lepidocrocite,Lithiophorite,Magnetite,Mallardite,Manganite,Marcasite,Matildite,Melanterite,Mica Group,Millerite,Muscovite,Sericite,Nickel,Nickeline,Nsutite,Pararammelsbergite,Pentlandite,Plagioclase,Plumbogummite,Polybasite,Prehnite,Proustite,Pyrargyrite,Pyrite,Bravoite,Pyrolusite,Pyrrhotite,Quartz,Rhodochrosite,Rozenite,Siderotil,Silver,Sphalerite,Stephanite,Szmikite,Szomolnokite,Talnakhite,Tennantite Subgroup,Tetrahedrite Subgroup,Silver-bearing Tetrahedrite,Tremolite,Violarite,Wad,Wollastonite,Zincmelanterite,Zinc,Zoisite