Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Pyrite from
Arakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite6
Quartz6
Galena6
Chalcopyrite6
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Arakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:363575
Long-form Identifier:1:3:363575:9
GUID (UUID V4):0
Localities for Pyrite in this Region
Hatsuishi deposit, Arakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan
Kanayamazawa deposit, Arakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan
Nearest other occurrences of Pyrite
3.2km (2.0 miles) ⓘMiyatamata mine, Daisen City, Akita Prefecture, Japan
5.6km (3.5 miles) ⓘUshizawamata prospect, Daisen City, Akita Prefecture, Japan
5.8km (3.6 miles) ⓘHisaichi mine, Daisen City, Akita Prefecture, Japan
5.8km (3.6 miles) ⓘKisamori mine, Daisen City, Akita Prefecture, Japan
39.0km (24.2 miles) ⓘAni Mine, Ani-machi, Kitaakita City, Akita Prefecture, Japan
44.1km (27.4 miles) ⓘAkaishi mine, Yuda, Nishiwaga, Waga District, Iwate Prefecture, Japan
51.4km (31.9 miles) ⓘWashinosu mine, Waga District, Iwate Prefecture, Japan
54.0km (33.5 miles) ⓘSennin mine (Wagasennin mine), Waga, Kitakami City, Iwate Prefecture, Japan
55.5km (34.5 miles) ⓘMatsuo mine, Hachimantai City, Iwate Prefecture, Japan
57.1km (35.5 miles) ⓘOarasawa-Akutozawa Mine, Waga District, Iwate Prefecture, Japan
References
Sadanaga, Ryoichi, Bunno, Michiaki (1974) The Wakabayashi Mineral Collection. Bulletin 7. The University Museum, The University of Tokyo
Arribas, Antonio, Mizuta, Toshio (2018) Potential for Porphyry Copper Deposits in Northern Tōhoku (or the Exploration Potential for Base and Precious Metal Deposits in Japan 2020) Resource Geology, 68 (2) 144-163 doi:10.1111/rge.12167
Satori, Shota; Kon, Yoshiaki; Watanabe, Yasushi; Ogata, Takeyuki; Echigo, Takuya; Aoki, Shogo (2025) Contribution of magma mixing to hydrothermal Cu mineralization: Evidence from the Arakawa area, Akita, Japan. Ore Geology Reviews, 186. 106862 doi:10.1016/j.oregeorev.2025.106862
 
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