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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Quartz from
McKellar-Longworth Mine (North Shore Gold Mine), Priske Township, Thunder Bay District, Ontario, Canada


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view McKellar-Longworth Mine (North Shore Gold Mine), Priske Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:810983
Long-form Identifier:1:3:810983:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
5.0km (3.1 miles) ⓘHarkness-Hays Mine (W.S.Jackson claim), Priske Township, Thunder Bay District, Ontario, Canada
6.9km (4.3 miles) ⓘOtisse claim, Priske Township, Thunder Bay District, Ontario, Canada
14.1km (8.8 miles) ⓘNicopor Mine, Pays Plat Lake Area, Thunder Bay District, Ontario, Canada
16.0km (9.9 miles) ⓘRossport veins, Lahontan Township, Thunder Bay District, Ontario, Canada
23.3km (14.5 miles) ⓘSlate Islands, Thunder Bay District, Ontario, Canada
23.9km (14.9 miles) ⓘEmpress Mine (Royal vein), Syine Township, Thunder Bay District, Ontario, Canada
24.5km (15.2 miles) ⓘWinston Lake deposit, Pays Plat Lake Area, Thunder Bay District, Ontario, Canada
24.5km (15.3 miles) ⓘSt Louis claim, O'Connor Township, Thunder Bay District, Ontario, Canada
24.7km (15.3 miles) ⓘUrsa Major Mine, O'Connor Township, Thunder Bay District, Ontario, Canada
24.8km (15.4 miles) ⓘCooper claim, O'Connor Township, Thunder Bay District, Ontario, Canada
References
Parsons, A.L. (1922) Economic Deposits in Thunder Bay District. Annual Report of the Ontario Department of Mines, 30 (4). Department of Mines. 27-38
 
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