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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Chalcedony from
Pluckemin, Bedminster Township, Somerset County, New Jersey, USA


Locality type:Town
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Pluckemin, Bedminster Township, Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:80072
Long-form Identifier:1:3:80072:9
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
3.9km (2.4 miles) ⓘAmerican Mine (Alpha Copper Mine; Bridgewater Mine; Somerville Mine; Somerville deposit), Bridgewater Township, Somerset County, New Jersey, USA
5.7km (3.5 miles) ⓘLiberty Corner, Bernards Township, Somerset County, New Jersey, USA
8.6km (5.4 miles) ⓘLyons Station, Lyons, Bernards Township, Somerset County, New Jersey, USA
9.2km (5.7 miles) ⓘChimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
9.4km (5.9 miles) ⓘMillington Quarry, Bernards Township, Somerset County, New Jersey, USA
13.9km (8.7 miles) ⓘStirling Brook ("Carnelian Creek"), Warren Township, Somerset County, New Jersey, USA
16.5km (10.2 miles) ⓘWilson's Quarry (Wilson Stone Co. Quarry), Watchung, Somerset County, New Jersey, USA
19.7km (12.2 miles) ⓘFanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey, USA
26.4km (16.4 miles) ⓘHoudaille Quarry (Summit Quarry; Commonwealth Quarry), Springfield, Springfield Township, Union County, New Jersey, USA
27.8km (17.3 miles) ⓘTrap Rock Industries Kingston Quarry, Kingston Trap Rock Quarry, Franklin Township, Somerset County, New Jersey, USA
References
Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1). New York Mineralogical Clubp.88
 
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