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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Siderite from
Allen Mine, Rockaway Township, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Allen Mine, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:70878
Long-form Identifier:1:3:70878:6
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.6km (0.4 miles) ⓘMt Pleasant, Rockaway Township, Morris County, New Jersey, USA
2.1km (1.3 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
16.1km (10.0 miles) ⓘOgden Mine (Horseshoe Mine; Lehigh Mine; Lehigh Valley Mine), Sparta Township, Sussex County, New Jersey, USA
18.6km (11.6 miles) ⓘFill Quarry, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
18.8km (11.7 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
22.0km (13.7 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
22.1km (13.7 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
22.9km (14.2 miles) ⓘShield Mine, Mount Olive, Morris County, New Jersey, USA
22.9km (14.2 miles) ⓘThomas Mine, Mount Olive, Morris County, New Jersey, USA
26.1km (16.2 miles) ⓘLyons Station, Lyons, Bernards Township, Somerset County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1856):197,199-200.
The Iron Mines of NJ (1910), Bayley:404.
 
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