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
Brighton Beach, Duluth, Saint Louis County, Minnesota, USA


06488740017693537679009.jpg
Quartz

Brighton Beach, Duluth, Saint Louis County, Minnesota, USA
06488740017693537679009.jpg
Quartz

Brighton Beach, Duluth, Saint Louis County, Minnesota, USA
00404130017693540393872.jpg
Quartz

Brighton Beach, Duluth, Saint Louis County, Minnesota, USA
Locality type:Beach
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Brighton Beach, Duluth, Saint Louis County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:1011665
Long-form Identifier:1:3:1011665:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.2km (0.7 miles) ⓘLester Park, Duluth, Saint Louis County, Minnesota, USA
5.9km (3.6 miles) ⓘLakeside Lavas, Saint Louis County, Minnesota, USA
9.9km (6.1 miles) ⓘFrench River, Saint Louis County, Minnesota, USA
14.1km (8.8 miles) ⓘBig Sucker Creek, Saint Louis County, Minnesota, USA
19.1km (11.9 miles) ⓘKnife River, Saint Louis County, Minnesota, USA
26.9km (16.7 miles) ⓘEly's Peak, Saint Louis County, Minnesota, USA
27.9km (17.3 miles) ⓘBuckley Quarry, Amnicon Falls, Douglas County, Wisconsin, USA
28.5km (17.7 miles) ⓘJohnson Materials Co. Quarry, Douglas County, Wisconsin, USA
28.8km (17.9 miles) ⓘSouth Range Quarry, South Range, Douglas County, Wisconsin, USA
30.6km (19.0 miles) ⓘAmicon copper prospect, Douglas County, Wisconsin, USA
References
Brian Cowger
Samuel Anderson CollectionIdentified by Samuel Anderson: Visual Identification
 
and/or  
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