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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Aegirine from
Holiday Inn Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA


Locality type:Quarry
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Fluorite1
Albite1
Pyrophanite1
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Holiday Inn Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:802003
Long-form Identifier:1:3:802003:1
GUID (UUID V4):0
Nearest other occurrences of Aegirine
5.0km (3.1 miles) ⓘGranite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
6.5km (4.1 miles) ⓘGranite Mountain Quarry No. 2, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
6.8km (4.2 miles) ⓘBig Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
27.4km (17.0 miles) ⓘGranite Mountain No. 3 Quarry, Sweet Home, Granite Mountain complex, Saline County, Arkansas, USA
45.8km (28.5 miles) ⓘUnnamed Ruthenium locality, Saline County, Arkansas, USA
63.1km (39.2 miles) ⓘPerryville carbonatite dike, Perry County, Arkansas, USA
63.5km (39.4 miles) ⓘKimzey Calcite Quarry (Calcite Hill), Magnet Cove, Hot Spring County, Arkansas, USA
65.4km (40.6 miles) ⓘMagnet Cove Rutile Company deposits, Magnet Cove, Hot Spring County, Arkansas, USA
65.9km (41.0 miles) ⓘJones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
66.5km (41.3 miles) ⓘDiamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
References
Ron Layton Collection
 
and/or  
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