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Minerals from Niigata prefecture
Prefectural Mineral: Gold of Sado gold mine
Geology | Fossils | Hot springs
Minerals reported from Niigata prefecture
A list of minerals observed at 8 locations in Niigata prefecture, Koshinetsu region, Honshu island, Japan
Localities described below may be now closed to collecting by authorities or land owners.
Aga city
Mikawa Mine
Araya, Aga city, Higashi-Kambara county, Niigata pref.
- Cyanotrichite
Blue, Acicular
- Azurite
Blue, Tabular
- Aurichalcite
Pale blue, Micaceous
- Chalcoalumite
Pale blue, Reniform
- Smithsonite
White, Radial
- Linarite
Blue, Prismatic
- Langite?
Green, Prismatic
- Allophane
White
- Anglesite
White
- Siderite
Brown, Crystal
- Magnesite
White, Crystal
- Baryte
White, Tabular
- Beaverite-(Cu)
Yellow, Earthy
- Osarizawaite
Green, Earthy
- Hematite
Black
- Goethite
Yellow, Acicular
- Pyrite
Yellow, Crystal
- Brochantite
Green, Needles
- Malachite
Green,
- Cerussite
White, Prismatic
- Covellite
Blue
- Sphalerite
Black, Crystal
- Galena
Black
- Chalcopyrite
Yellow
- Amethyst
Purple, Prisamtic
Narayama
Hirotani, Aga city, Higashi-Kambara county, Niigata pref.
- Chalcedony
White/Green, vein/amygdule
- Ferrierite-K
White, Acicular
- Celadonite
Green
Shibata city
Akatani Mine
Higashi-Akatani, Shibata city, Niigata pref.
- Hematite
Black, Tabular
- Dolomite
White, Rhombohedral
- Siderite
Brown, Rhombohedral
- Aragonite
White, Prismatic
- Green quartz
Green, Hexagonal prismatic
- Wollastonite
White, Fibrous
- Hedenbergite
Green, Prismatic
Itoigawa city
Kanayamadani valley
Omi, Itoigawa city, Niigata pref.
- Aragonite
White
- Strontio-Orthojoaquinite
Yellow, Short prismatic
- Grossular
Pale Yellow
- Chabazite?
White
Omi river
Omi, Itoigawa city, Niigata pref.
Oyashirazu seashore
Tonami, Itoigawa city, Niigata pref.
- Jadeite
White
Minami-Uonuma city
Okura Mine
Okura, Minami-Uonuma city, Niigata pref.
- Pyrrhotite
Silver white, Massive
- Sphalerite
Black, Massive
- Pyrite
Yellow, Massive
- Gersdorffite
Silver white, Octahedral
- Limonite
Brown, Massive
- Goethite
Black, Botryoidal
- Hematite
Red, Massive
- Epidote
Pale green, Prismatic
- Phlogopite
Yellow, Hexagnal tabular
- Talc
Pale blue, Massive
- Serpentine
Green, Massive
- Orthopyroxene(Bastite)
Pale green, Granular
Yuzawa city
Tsuchidaru Mine
Tsuchidaru, Yuzawa city, Minami-Uonuma county, Niigata pref.
- Mimetite
Yellow, Granular
- Cerussite
White, Prismatic
- Cuprite
Red, Coating
- Tremolite
White, Fibrous
- Actinolite
Green, Prismatic
- Axinite
White, Radial
- Clinozoisite
Brown, Prismatic
- Magnetite
Black Granular
- Pyrite
Yellow, Granular
- Sphalerite
Brown, Massive
- Galena
Black, Massive
- Garnierite
Green, Massive