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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Laumontite from
Cedar Grove Reservoir, Cedar Grove, Cedar Grove, Essex County, New Jersey, USA


Locality type:Reservoir
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Cedar Grove Reservoir, Cedar Grove, Cedar Grove, Essex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79182
Long-form Identifier:1:3:79182:9
GUID (UUID V4):0
Nearest other occurrences of Laumontite
1.5km (0.9 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
1.5km (1.0 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
1.7km (1.1 miles) ⓘGreat Notch, Little Falls Township, Passaic County, New Jersey, USA
3.9km (2.4 miles) ⓘMcBride Avenue & Browertown Road pumping station, Woodland Park, Passaic County, New Jersey, USA
5.5km (3.4 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
5.7km (3.5 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
7.5km (4.6 miles) ⓘHoxie's Quarry, Paterson, Passaic County, New Jersey, USA
7.5km (4.6 miles) ⓘMcKiernan & Bergin Quarry, Paterson, Passaic County, New Jersey, USA
8.5km (5.3 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
9.6km (6.0 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
References
The Minerals of NYC & Its Environs, NY Min. Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 68.
 
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