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

Locality type:Park
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Comments:A rock forming component of the amphibolite.
Habit:anhedral grains
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Very common
Confirmation
Validity:Confirmed
Confirmation Methods:Polarised-light microscopy
References
References:
Hobbs, W. H. (1901): The old tungsten mine in Trumbull, Conn. USGS Annual Report 22:7-22.
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
Nearest other occurrences of Oligoclase
0.4km (0.2 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
17.9km (11.1 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
22.4km (13.9 miles) Danburite type locality, Danbury, Fairfield County, Connecticut, USA
24.5km (15.2 miles) Norwalk, Fairfield County, Connecticut, USA
37.0km (23.0 miles) Clover Hill Mine, Croton Falls, Somers Township, Westchester Co., New York, USA
37.3km (23.1 miles) Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
40.6km (25.2 miles) Norcross Quarry (Norcross Granite Gneiss Rock Quarries; Stony Creek Quarry; Castellucci Quarry), Branford, New Haven Co., Connecticut, USA
47.3km (29.4 miles) Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
51.7km (32.1 miles) Valhalla, Mount Pleasant, Westchester Co., New York, USA
58.2km (36.1 miles) Crugers Emery Mine, Montrose, Cortlandt Township, Westchester Co., New York, USA
 
Mineral and/or Locality  
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