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
Osmun Mine, McIntyre Township, Thunder Bay District, Ontario, Canada


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 Osmun Mine, McIntyre Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:655508
Long-form Identifier:1:3:655508:5
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
2.6km (1.6 miles) ⓘEmmons mine, McIntyre Township, Thunder Bay District, Ontario, Canada
3.4km (2.1 miles) ⓘShuniah Mine (Duncan), McIntyre Township, Thunder Bay District, Ontario, Canada
9.2km (5.7 miles) ⓘMt Baldy occurrence (David Galley occurrence), MacGregor Township, Thunder Bay District, Ontario, Canada
13.0km (8.1 miles) ⓘNeepatyre Mine, Neebing Township, Thunder Bay District, Ontario, Canada
20.8km (12.9 miles) ⓘSilver Harbour Mine (Beck Mine; Three A Mine; 3 A), MacGregor Township, Thunder Bay District, Ontario, Canada
26.2km (16.3 miles) ⓘ7Z Mine, MacGregor Township, Thunder Bay District, Ontario, Canada
29.9km (18.6 miles) ⓘCurrent River Mines, McIntyre Township, Thunder Bay District, Ontario, Canada
31.6km (19.7 miles) ⓘKawene intrusive, Thunder Bay District, Ontario, Canada
31.7km (19.7 miles) ⓘRabbit Mountain area, Scoble Township, Thunder Bay District, Ontario, Canada
31.9km (19.8 miles) ⓘRabbit Mountain Mine (Great Lakes Silver mine), Scoble Township, Thunder Bay District, Ontario, Canada
References
Vos, M. A., 1976, Amethyst Deposits of Ontario, Ontario Division of Mines, pp. 99..
 
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