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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Nepheline from
Sussex nepheline-syenite sill, Libertyville, Wantage Township, Sussex County, New Jersey, USA


Locality type:Sill
Classification
Species:Nepheline
Formula:Na3K(Al4Si4O16)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nepheline data
Locality Data:Click here to view Sussex nepheline-syenite sill, Libertyville, Wantage Township, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73783
Long-form Identifier:1:3:73783:0
GUID (UUID V4):0
Nearest other occurrences of Nepheline
5.5km (3.4 miles) ⓘBeemerville main nepheline-syenite mass, Libertyville, Wantage Township, Sussex County, New Jersey, USA
8.8km (5.5 miles) ⓘMcAfee Quarry, McAfee, Vernon Township, Sussex County, New Jersey, USA
9.0km (5.6 miles) ⓘWindsor Quarry (Winsor Quarry), Rudeville, Hardyston Township, Sussex County, New Jersey, USA
9.2km (5.7 miles) ⓘWykertown nepheline syenite intrusive, Wykertown, Frankford Township, Sussex County, New Jersey, USA
95.0km (59.0 miles) ⓘBrookville syenite deposit, Brookville, Delaware Township, Hunterdon County, New Jersey, USA
95.6km (59.4 miles) ⓘSwauger Road Quarries, Point Pleasant, Plumstead Township, Bucks County, Pennsylvania, USA
References
Rutgers Univ. Bull. #5, Pt 1: 54-55.
 
and/or  
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