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
St. Ignace Island area, St.Ignace Island Area, Thunder Bay District, Ontario, Canada


Locality type:Area
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view St. Ignace Island area, St.Ignace Island Area, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:1010770
Long-form Identifier:1:3:1010770:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
24.4km (15.1 miles) ⓘLawrence occurrence, Patience Township, Thunder Bay District, Ontario, Canada
27.6km (17.1 miles) ⓘHighway 17 roadcut (Rossport; Pays Plat; Sunset vein), Yesno Township, Thunder Bay District, Ontario, Canada
37.4km (23.2 miles) ⓘRossport veins, Lahontan Township, Thunder Bay District, Ontario, Canada
45.8km (28.4 miles) ⓘUnnamed pegmatite, Hanson Lake Area, Thunder Bay District, Ontario, Canada
46.9km (29.1 miles) ⓘOntario Gem Mine, McTavish Township, Thunder Bay District, Ontario, Canada
47.2km (29.3 miles) ⓘWinston Lake deposit, Pays Plat Lake Area, Thunder Bay District, Ontario, Canada
48.6km (30.2 miles) ⓘDorion Amethyst Mine, Mineral Lot A, McTavish Township, Thunder Bay District, Ontario, Canada
49.4km (30.7 miles) ⓘBoulder Creek Amethyst quarry, Pearl Station area, Thunder Bay District, Ontario, Canada
49.7km (30.9 miles) ⓘNicopor Mine, Pays Plat Lake Area, Thunder Bay District, Ontario, Canada
50.4km (31.3 miles) ⓘEnterprise Mine, McTavish Township, Thunder Bay District, Ontario, Canada
References
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.111
 
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