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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Goethite from
Rapp Mine, Carpentersville, Pohatcong Township, Warren County, New Jersey, USA


Locality type:Mine
Classification
Species:Goethite
Formula:Fe3+O(OH)
Comments:Occurs as black, dense, fibrous nodules.
Colour:Black.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Rapp Mine, Carpentersville, Pohatcong Township, Warren County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73276
Long-form Identifier:1:3:73276:5
GUID (UUID V4):0
Nearest other occurrences of Goethite
13.7km (8.5 miles) ⓘBachman Mine, Hellertown, Lower Saucon Township, Northampton County, Pennsylvania, USA
23.2km (14.4 miles) ⓘMountainville, Salisbury Township, Lehigh County, Pennsylvania, USA
34.5km (21.4 miles) ⓘMiddle Valley, Washington Township, Morris County, New Jersey, USA
43.1km (26.8 miles) ⓘLong Valley (German Valley), Washington Township, Morris County, New Jersey, USA
52.3km (32.5 miles) ⓘChimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
54.1km (33.6 miles) ⓘGriggstown Mine (Franklin Mine), Griggstown, Franklin Township, Somerset County, New Jersey, USA
55.0km (34.2 miles) ⓘMillington Quarry, Bernards Township, Somerset County, New Jersey, USA
56.2km (34.9 miles) ⓘEdge Hill Iron Company Mine, Springfield Township, Montgomery County, Pennsylvania, USA
57.1km (35.5 miles) ⓘOreland, Springfield Township, Montgomery County, Pennsylvania, USA
58.2km (36.2 miles) ⓘWhim shaft, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
References
The Iron Mines of NJ (1910), Bayley: 12, 52, 64-65.
 
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