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
Harkness-Hays Mine (W.S.Jackson claim), 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 Harkness-Hays Mine (W.S.Jackson claim), Priske Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:810992
Long-form Identifier:1:3:810992:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.9km (1.2 miles) ⓘOtisse claim, Priske Township, Thunder Bay District, Ontario, Canada
5.0km (3.1 miles) ⓘMcKellar-Longworth Mine (North Shore Gold Mine), Priske Township, Thunder Bay District, Ontario, Canada
12.3km (7.6 miles) ⓘNicopor Mine, Pays Plat Lake Area, Thunder Bay District, Ontario, Canada
18.2km (11.3 miles) ⓘRossport veins, Lahontan Township, Thunder Bay District, Ontario, Canada
19.1km (11.9 miles) ⓘEmpress Mine (Royal vein), Syine Township, Thunder Bay District, Ontario, Canada
19.7km (12.3 miles) ⓘUrsa Major Mine, O'Connor Township, Thunder Bay District, Ontario, Canada
21.8km (13.6 miles) ⓘSt Louis claim, O'Connor Township, Thunder Bay District, Ontario, Canada
22.0km (13.7 miles) ⓘCooper claim, O'Connor Township, Thunder Bay District, Ontario, Canada
22.4km (13.9 miles) ⓘSlate Islands, Thunder Bay District, Ontario, Canada
22.5km (14.0 miles) ⓘEstelle 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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