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Nishizawa mine, Kuriyamamura, Tochigi Prefecture, Kanto Region, Honshu Island, Japan



Detailed Mineral List:
Cassiterite
Formula: SnO2
Reference: Takeo Kato (1928) The Japanese Journal of Geology and Geography, 6, #1-2, 31-48.
Galena
Formula: PbS
Reference: Alfredo Petrov collection
Goethite
Formula: α-Fe3+O(OH)
Reference: Alfredo Petrov collection
Gold
Formula: Au
Reference: Alfredo Petrov collection
Hübnerite
Formula: MnWO4
Description: Reported as "wolframite", but thin bladed crystals are red translucent, so most likely = hubnerite.
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Matildite
Formula: AgBiS2
Reference: Dana 7:I:430.
Proustite
Formula: Ag3AsS3
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Pyrargyrite
Formula: Ag3SbS3
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Pyrite
Formula: FeS2
Reference: Alfredo Petrov collection
Quartz
Formula: SiO2
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Quartz var: Chalcedony
Reference: Alfredo Petrov collection
Realgar
Formula: As4S4
Reference: Wada (1904): Minerals of Japan
Roquesite
Formula: CuInS2
Reference: Matsubara and Miyawaki (2006) Catalogue of Japanese Minerals, p 110 (Tokai University Press)
Sphalerite
Formula: ZnS
Description: Light-colored, low-Fe variety.
Reference: Alfredo Petrov collection
Xanthoconite
Formula: Ag3AsS3
Reference: Kato (1968) Chigaku Kenkyu, 19, 309-310.


15 entries listed. 14 valid minerals.
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