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
Furutobe mine (Furutohbe mine), Kosaka, Akita Prefecture, Japan


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Silver3
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Furutobe mine (Furutohbe mine), Kosaka, Akita Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:349883
Long-form Identifier:1:3:349883:5
GUID (UUID V4):0
Nearest other occurrences of Bornite
2.7km (1.6 miles) ⓘAinai mine, Kosaka, Akita Prefecture, Japan
8.5km (5.3 miles) ⓘKosaka mine, Kosaka, Akita Prefecture, Japan
9.2km (5.7 miles) ⓘUchinotai deposit, Kosaka mine, Kosaka, Akita Prefecture, Japan
11.3km (7.0 miles) ⓘGinzan mine, Hirakawa City, Aomori Prefecture, Japan
13.9km (8.6 miles) ⓘFukasawa mine (Fukazawa mine), Odate, Akita Prefecture, Japan
14.5km (9.0 miles) ⓘShakanai Mine, Odate, Akita Prefecture, Japan
15.0km (9.3 miles) ⓘDoyashiki deposit, Hanaoka mine, Odate, Akita Prefecture, Japan
17.4km (10.8 miles) ⓘMatsuki Mine (Takadate), Odate, Akita Prefecture, Japan
18.8km (11.7 miles) ⓘEzuri mine, Odate, Akita Prefecture, Japan
24.7km (15.4 miles) ⓘOsarizawa Mine, Kazuno City, Akita Prefecture, Japan
References
(n.d.) Dr. Kameki Kinoshita collection, Geological Survey of Japan.
Sugaki, Asahiko; Kitakaze, Arashi; Odashima, Yoshitsugu (1981) Furutobeite, a new copper-silver-lead sulfide mineral. Bulletin de Minéralogie, 104 (6). 737-741 doi:10.3406/bulmi.1981.7518
 
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