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Pickeringite from
Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA


Locality type:Park
Classification
Species:Pickeringite
Formula:MgAl2(SO4)4 · 22H2O
Comments:found under overhanging ledges or other protected places, from the alteration of sulfides.
Habit:coatings, druses
Colour:colorless to pale yellow
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pickeringite data
Locality Data:Click here to view Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:131497
Long-form Identifier:1:3:131497:7
GUID (UUID V4):0
Nearest other occurrences of Pickeringite
0.4km (0.2 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
37.2km (23.1 miles) State Route 8 interchange 34 (formerly 37), Watertown, Litchfield County, Connecticut, USA
54.3km (33.8 miles) Pegmatite quarry and ultramafic rock, Harwinton, Litchfield County, Connecticut, USA
62.8km (39.0 miles) Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
62.8km (39.0 miles) Schoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
64.6km (40.2 miles) State Forest Quarry No. 2, Cobalt, East Hampton, Middlesex County, Connecticut, USA
65.0km (40.4 miles) Great Hill cobalt mines, Cobalt, East Hampton, Middlesex County, Connecticut, USA
69.8km (43.4 miles) Linkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
References
 
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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