Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Native Copper from
Osarizawa Mine, Kazuno City, Akita Prefecture, Japan


00420030017367300269757.jpg
Native Copper

Osarizawa Mine, Kazuno City, Akita Prefecture, Japan
00420030017367300269757.jpg
Native Copper

Osarizawa Mine, Kazuno City, Akita Prefecture, Japan
00420030017367300269757.jpg
Native Copper

Osarizawa Mine, Kazuno City, Akita Prefecture, Japan
Locality type:Mine
Classification
Species:Native Copper
Formula:Cu
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Copper data
Locality Data:Click here to view Osarizawa Mine, Kazuno City, Akita Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:363309
Long-form Identifier:1:3:363309:0
GUID (UUID V4):0
Nearest other occurrences of Native Copper
18.7km (11.6 miles) ⓘFurokura mine, Kazuno City, Akita Prefecture, Japan
23.0km (14.3 miles) ⓘAinai mine, Kosaka, Akita Prefecture, Japan
36.2km (22.5 miles) ⓘAni Mine, Ani-machi, Kitaakita City, Akita Prefecture, Japan
62.3km (38.7 miles) ⓘKisamori mine, Daisen City, Akita Prefecture, Japan
63.6km (39.5 miles) ⓘHisaichi mine, Daisen City, Akita Prefecture, Japan
67.6km (42.0 miles) ⓘArakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan
90.8km (56.4 miles) ⓘNoda-Tamagawa mine, Noda, Kunohe-gun, Iwate Prefecture, Japan
91.7km (56.9 miles) ⓘAkaishi mine, Yuda, Nishiwaga, 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
 
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