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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Kaolinite from
McDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA


Locality type:Quarry
Classification
Species:Kaolinite
Formula:Al2(Si2O5)(OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kaolinite data
Locality Data:Click here to view McDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73229
Long-form Identifier:1:3:73229:7
GUID (UUID V4):0
Nearest other occurrences of Kaolinite
21.9km (13.6 miles) ⓘ106th Street & Central Park West, Manhattan (New York County), New York City, New York, USA
25.3km (15.7 miles) ⓘCharlottesburg feldspar deposit, Rockaway Township, Morris County, New Jersey, USA
31.0km (19.3 miles) ⓘBoard feldspar deposit, Monks, Ringwood, Passaic County, New Jersey, USA
34.4km (21.4 miles) ⓘMenlo Park neighborhood, Edison, Middlesex County, New Jersey, USA
42.2km (26.2 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
45.5km (28.3 miles) ⓘQuigley pit, Sayreville, Middlesex County, New Jersey, USA
55.7km (34.6 miles) ⓘSpring Valley Farm, Paulins Kill Lake, Fredon Township, Sussex County, New Jersey, USA
62.2km (38.6 miles) ⓘBedford, Westchester County, New York, USA
67.0km (41.6 miles) ⓘOsmun Mine (Osmun-Robeson Mine; Ahles Mine), Oxford Furnace, Oxford Township, Warren County, New Jersey, USA
79.1km (49.2 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
References
Mins. of NYC & Its Environs, NY Min. Club (1931), Manchester, J.G.
Peters, Joseph J. (1984) Triassic Traprock Minerals of New Jersey. Rocks & Minerals, 59 (4) 157-183 doi:10.1080/00357529.1984.11764472
 
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