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


Locality type:Quarry
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
- var Chalcedony1
Data
Mineral Data:Click here to view Siderite 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:488121
Long-form Identifier:1:3:488121:6
GUID (UUID V4):0
Nearest other occurrences of Siderite
2.8km (1.7 miles) ⓘGranite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
6.8km (4.2 miles) ⓘHoliday Inn Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
19.9km (12.4 miles) ⓘKellogg Mine (Confederate Mine; German shaft; Welldiggen claim), North Little Rock, Pulaski County, Arkansas, USA
21.8km (13.5 miles) ⓘQuapaw Bauxite Mine, Arkansas Bauxite District, Saline County, Arkansas, USA
59.1km (36.7 miles) ⓘJones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
66.2km (41.1 miles) ⓘT pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA
66.2km (41.2 miles) ⓘEast Wilson pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA
66.6km (41.4 miles) ⓘNorth Wilson pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA
84.1km (52.3 miles) ⓘBeard Mine, Blue Springs, Garland County, Arkansas, USA
References
Cristofono, Peter (n.d.) Personal communication.
 
and/or  
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