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


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Ikadazu mine (Ikadatsu mine), Ikadazu, Niihama City, Ehime Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:68937
Long-form Identifier:1:3:68937:5
GUID (UUID V4):0
Nearest other occurrences of Bornite
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
16.6km (10.3 miles) ⓘSazare mine, Shikokuchuo City, Ehime Prefecture, Japan
41.2km (25.6 miles) ⓘMinawa mine, Miyoshi City, Tokushima Prefecture, Japan
76.1km (47.3 miles) ⓘOhkuki mine (Okuki deposit), Kita District, Ehime Prefecture, Japan
80.5km (50.0 miles) ⓘKotsu mine (Takakoshi mine; Kotu mine), Miyama-mura, Yamakawa-cho, Yoshinogawa City, Tokushima Prefecture, Japan
References
Kase, K. (1986). Tellurian tennantite from the Besshi-type deposits in the Sambagawa metamorphic belt, Japan. Can. Mineral, 24, 399-404.
 
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