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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Phlogopite from
Morristown occurrences, Morristown, Morris County, New Jersey, USA


Locality type:Occurrence
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Morristown occurrences, Morristown, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79824
Long-form Identifier:1:3:79824:8
GUID (UUID V4):0
Nearest other occurrences of Phlogopite
17.0km (10.6 miles) ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA
17.0km (10.6 miles) ⓘLake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris County, New Jersey, USA
17.8km (11.0 miles) ⓘBerkshire Valley, Jefferson Township, Morris County, New Jersey, USA
25.0km (15.6 miles) ⓘLockwood, Byram Township, Sussex County, New Jersey, USA
26.6km (16.5 miles) ⓘByram Crushed Stone Quarry (Tilcon Byram Quarry), Byram Township, Sussex County, New Jersey, USA
26.6km (16.5 miles) ⓘRiverdale Plaza, Riverdale, Morris County, New Jersey, USA
32.6km (20.2 miles) ⓘSulphur Hill Mine (Sulfur Hill Mine), Andover Township, Sussex County, New Jersey, USA
33.6km (20.9 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
34.6km (21.5 miles) ⓘLime Crest Quarry, Sparta Township, Sussex County, New Jersey, USA
34.8km (21.6 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex 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.82
 
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