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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Sphalerite from
Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA


07549240017368952356594.jpg
Sphalerite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
07549240017368952356594.jpg
Sphalerite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
08676850017272734364811.jpg
Sphalerite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
Locality type:Quarry
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Astrophyllite1
Aegirine1
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:45197
Long-form Identifier:1:3:45197:6
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
15.0km (9.3 miles) ⓘJeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
19.9km (12.4 miles) ⓘKellogg Mine (Confederate Mine; German shaft; Welldiggen claim), North Little Rock, Pulaski County, Arkansas, USA
20.7km (12.9 miles) ⓘGranite Mountain No. 3 Quarry, Sweet Home, Granite Mountain complex, Saline County, Arkansas, USA
40.2km (25.0 miles) ⓘUnnamed Ruthenium locality, Saline County, Arkansas, USA
56.4km (35.0 miles) ⓘKilpatrick and Adams Mine (Hardy-Walsh Brookite deposit), Magnet Cove, Hot Spring County, Arkansas, USA
56.6km (35.2 miles) ⓘMagcobar Mine (Chamberlain Creek Barite Mines), Chamberlain Creek Valley, Magnet Cove, Hot Spring County, Arkansas, USA
57.0km (35.4 miles) ⓘMo-Ti Corporation prospect, Magnet Cove, Hot Spring County, Arkansas, USA
58.5km (36.4 miles) ⓘMagnet Cove Rutile Company deposits, Magnet Cove, Hot Spring County, Arkansas, USA
59.1km (36.7 miles) ⓘJones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
59.7km (37.1 miles) ⓘDiamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
References
 
and/or  
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