Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Orthoclase from
McAfee Quarry, McAfee, Vernon Township, Sussex County, New Jersey, USA


Locality type:Quarry
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Comments:Found in various assemblages associated with larger quantities of albite. Sometimes occurs as part of perthitic grains of albite and orthoclase.
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Confirmation Details:SEM-EDS: Where Tested and Reference ID - 20081438
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view McAfee Quarry, McAfee, Vernon Township, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:1951376
Long-form Identifier:1:3:1951376:4
GUID (UUID V4):0
Nearest other occurrences of Orthoclase
8.4km (5.2 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
8.8km (5.5 miles) ⓘSussex nepheline-syenite sill, Libertyville, Wantage Township, Sussex County, New Jersey, USA
11.8km (7.3 miles) ⓘDunker Pond, Clinton, West Milford Township, Passaic County, New Jersey, USA
12.1km (7.5 miles) ⓘAmity, Town of Warwick, Orange County, New York, USA
12.4km (7.7 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
14.3km (8.9 miles) ⓘBeemerville main nepheline-syenite mass, Libertyville, Wantage Township, Sussex County, New Jersey, USA
14.9km (9.3 miles) ⓘEdenville, Town of Warwick, Orange County, New York, USA
15.8km (9.8 miles) ⓘWykertown nepheline syenite intrusive, Wykertown, Frankford Township, Sussex County, New Jersey, USA
16.3km (10.1 miles) ⓘRocky Hill, Orange County, New York, USA
21.9km (13.6 miles) ⓘKornerupine Group locality, Ringwood, Passaic County, New Jersey, USA
References
van Rossen, Cristian (2026) Mineralogy, Geology, and Geochemistry of the McAfee Quarries and Greater McAfee Area, Sussex County, New Jersey. Montclair State University.
 
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