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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Limonite from
Griggstown Mine (Franklin Mine), Griggstown, Franklin Township, Somerset County, New Jersey, USA


Locality type:Mine
Classification
Species:'Limonite' (not an IMA approved species)
Comments:Fossiliferous, replacing wood.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Limonite data
Locality Data:Click here to view Griggstown Mine (Franklin Mine), Griggstown, Franklin Township, Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79628
Long-form Identifier:1:3:79628:6
GUID (UUID V4):0
Nearest other occurrences of Limonite
14.2km (8.8 miles) ⓘGulick Mine, Milltown Borough, Middlesex County, New Jersey, USA
14.7km (9.1 miles) ⓘBurnt Woods, New Brunswick, Middlesex County, New Jersey, USA
18.9km (11.8 miles) ⓘChimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
19.2km (12.0 miles) ⓘMartin's Dock, Edison, Middlesex County, New Jersey, USA
20.5km (12.8 miles) ⓘReadington, Readington Township, Hunterdon County, New Jersey, USA
21.5km (13.3 miles) ⓘQuigley pit, Sayreville, Middlesex County, New Jersey, USA
23.9km (14.8 miles) ⓘBonhamtown, Edison, Middlesex County, New Jersey, USA
24.8km (15.4 miles) ⓘPerrineville, Millstone Township, Monmouth County, New Jersey, USA
26.8km (16.7 miles) ⓘCheesequake (Jacksonville), Old Bridge Township, Middlesex County, New Jersey, USA
27.0km (16.8 miles) ⓘMenlo Park neighborhood, Edison, Middlesex 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.75
 
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