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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Marcasite from
Yunosawa mine, Ikarigaseki, Minamitsugaru District, Aomori Prefecture, Japan


Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Yunosawa mine, Ikarigaseki, Minamitsugaru District, Aomori Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:27610
Long-form Identifier:1:3:27610:8
GUID (UUID V4):0
Nearest other occurrences of Marcasite
12.9km (8.0 miles) ⓘDoyashiki deposit, Hanaoka mine, Odate, Akita Prefecture, Japan
13.8km (8.6 miles) ⓘShakanai Mine, Odate, Akita Prefecture, Japan
28.6km (17.8 miles) ⓘOppu Mine, Nishimeya-mura, Nakatsugaru District, Aomori Prefecture, Japan
29.6km (18.4 miles) ⓘOsarizawa Mine, Kazuno City, Akita Prefecture, Japan
33.1km (20.5 miles) ⓘFurokura mine, Kazuno City, Akita Prefecture, Japan
61.4km (38.2 miles) ⓘMatsuo mine, Hachimantai City, Iwate Prefecture, Japan
90.3km (56.1 miles) ⓘArakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan
References
Shimizu, M., Miyawaki, R., Kato, A., Matsubara, S., Matsuyama, F., Kiyota, K. (1998) Tsugaruite, Pb4As2S7, a new mineral species from the Yunosawa mine, Aomori Prefecture, Japan. Mineralogical Magazine, 62 (6) 793-799 doi:10.1180/002646198548179
Jambor, J.L., Roberts, A.C. (1999) New mineral names. American Mineralogist: 84: 990-994.p.992
 
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