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
Akaishi mine, Yuda, Nishiwaga, Waga District, Iwate 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 Akaishi mine, Yuda, Nishiwaga, Waga District, Iwate Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:677513
Long-form Identifier:1:3:677513:1
GUID (UUID V4):0
Nearest other occurrences of Native Copper
8.8km (5.4 miles) ⓘWashinosu mine, Waga District, Iwate Prefecture, Japan
41.9km (26.0 miles) ⓘHisaichi mine, Daisen City, Akita Prefecture, Japan
44.1km (27.4 miles) ⓘKisamori mine, Daisen City, Akita Prefecture, Japan
44.1km (27.4 miles) ⓘArakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan
60.8km (37.8 miles) ⓘOdomori mine, Miyagi Prefecture, Japan
62.0km (38.5 miles) ⓘHosokura mine, Kurihara City, Miyagi Prefecture, Japan
76.3km (47.4 miles) ⓘAni Mine, Ani-machi, Kitaakita City, Akita Prefecture, Japan
82.5km (51.3 miles) ⓘKesen meteorite, Rikuzentakata City, Iwate Prefecture, Japan
91.7km (56.9 miles) ⓘOsarizawa Mine, Kazuno City, Akita Prefecture, Japan
References
(n.d.) Dr. Matsuo Nambu collection, Geological Survey of Japan.
 
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