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
Silver Harbour Mine (Beck Mine; Three A Mine; 3 A), MacGregor 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 Silver Harbour Mine (Beck Mine; Three A Mine; 3 A), MacGregor Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:655475
Long-form Identifier:1:3:655475:0
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
5.9km (3.7 miles) ⓘ7Z Mine, MacGregor Township, Thunder Bay District, Ontario, Canada
12.7km (7.9 miles) ⓘMt Baldy occurrence (David Galley occurrence), MacGregor Township, Thunder Bay District, Ontario, Canada
17.4km (10.8 miles) ⓘShuniah Mine (Duncan), McIntyre Township, Thunder Bay District, Ontario, Canada
20.8km (12.9 miles) ⓘOsmun Mine, McIntyre Township, Thunder Bay District, Ontario, Canada
23.3km (14.5 miles) ⓘSilver Lake occurrence, McTavish Township, Thunder Bay District, Ontario, Canada
23.3km (14.5 miles) ⓘEmmons mine, McIntyre Township, Thunder Bay District, Ontario, Canada
23.8km (14.8 miles) ⓘCurrent River Mines, McIntyre Township, Thunder Bay District, Ontario, Canada
24.7km (15.4 miles) ⓘSilver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada
26.8km (16.7 miles) ⓘEscape intrusion, Thunder Bay District, Ontario, Canada
28.0km (17.4 miles) ⓘThunder Bay North deposit (Current Lake zone), Greenwich Lake Area, Thunder Bay District, Ontario, Canada
References
Vos, M. A., 1976, Amethyst Deposits of Ontario, Ontario Division of Mines, pp. 99..
Sabina, Ann P. (1991) Rocks and minerals for the collector: Sudbury to Winnipeg. Miscellaneous Report 49. Geological Survey of Canada 315 pp. doi:10.4095/132238 p.128
 
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