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
Kunitomi Mine, Iwanai District, Shiribeshi Subprefecture, Hokkaidō 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 Kunitomi Mine, Iwanai District, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:672809
Long-form Identifier:1:3:672809:0
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
15.9km (9.9 miles) ⓘInakuraishi mine, Furubira District, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan
15.9km (9.9 miles) ⓘOue mine (Oye mine; Ohe mine; Ooe mine; Oe mine), Yoichi District, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan
23.4km (14.5 miles) ⓘYoichi Mine, Yoichi District, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan
31.3km (19.4 miles) ⓘToyoha Mine, Minami-ku, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
45.2km (28.1 miles) ⓘTeine Mine, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
45.7km (28.4 miles) ⓘKobetsuzawa mine (Obetsuzawa mine), Nishi-ku, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
51.1km (31.7 miles) ⓘKoryu mine (Kohryu mine), Chitose City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
54.1km (33.6 miles) ⓘChitose mine, Chitose City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
60.4km (37.5 miles) ⓘOshamambe Mine, Yamakoshi District, Oshima Subprefecture, Hokkaidō Prefecture, Japan
67.4km (41.9 miles) ⓘHorobetsu mine (Horobetsu gold-silver-copper mine), Noboribetsu City, Iburi Subprefecture, Hokkaidō Prefecture, Japan
References
Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., Watanabe, Y. (2007) Mineral Resources Map of East Asia, Geological Survey of Japan.
 
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