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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Chalcopyrite from
Ikadazu mine (Ikadatsu mine), Ikadazu, Niihama City, Ehime Prefecture, Japan


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Ikadazu mine (Ikadatsu mine), Ikadazu, Niihama City, Ehime Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:68936
Long-form Identifier:1:3:68936:6
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
3.5km (2.2 miles) ⓘIkadazu deposit, Tosa District, Kochi Prefecture, Japan
6.8km (4.2 miles) ⓘBesshi mine (Bessi mine), Besshi, Niihama City, Ehime Prefecture, Japan
8.3km (5.1 miles) ⓘShirataki Mine, Okawa-mura, Tosa District, Kochi Prefecture, Japan
12.7km (7.9 miles) ⓘMotoyasu mine, Saijo City, Ehime Prefecture, Japan
16.6km (10.3 miles) ⓘSazare mine, Shikokuchuo City, Ehime Prefecture, Japan
22.7km (14.1 miles) ⓘKunimiyama mine, Kochi City, Kochi Prefecture, Japan
25.7km (15.9 miles) ⓘShingu mine, Shingu, Shikokuchuo City, Ehime Prefecture, Japan
41.2km (25.6 miles) ⓘMinawa mine, Miyoshi City, Tokushima Prefecture, Japan
52.0km (32.3 miles) ⓘMount Kuresaka, Iwagi Island, Ochi District, Ehime Prefecture, Japan
55.4km (34.4 miles) ⓘYuryo mine, Tobe-cho, Iyo district, Ehime Prefecture, Japan
References
Kase, K. (1986). Tellurian tennantite from the Besshi-type deposits in the Sambagawa metamorphic belt, Japan. Can. Mineral, 24, 399-404.
Shunso Ishihara and Yuji Endo (2007): Bulletin of the Geological Survey of Japan 58(1/2), 7-22.
 
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