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Orthoclase from
Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Comments:"The single specimen at Yale described by Scovil (1992) from the old Brush collection was labeled before results reported by Cameron, Eugene N. and others. (1954) PEGMATITE INVESTIGATIONS 1942-45 NEW ENGLAND. U.S. Geological Survey, Professional Paper 255 and Stugard (1958) Pegmatites of the Middletown Area, Connecticut USGS Bulletin 1042-Q, that show the K-feldspar of the Middletown pegmatite district to be microcline." (Harold Moritz information)
Confirmation
Validity:Believed Valid
References
References:Scovil, Jeffrey A. (1992): Famous Mineral Localities: the Gillette Quarry, Haddam Neck, Connecticut. (Mineralogical Record, 23(1):19-28.)
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA
Nearest other occurrences of Orthoclase
10.0km (6.2 miles) Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
13.0km (8.1 miles) Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
15.8km (9.8 miles) Case Quarries, Portland, Middlesex Co., Connecticut, USA
30.1km (18.7 miles) Norcross Quarry (Norcross Granite Gneiss Rock Quarries; Stony Creek Quarry; Castellucci Quarry), Branford, New Haven Co., Connecticut, USA
33.3km (20.7 miles) Flatrock Quarry (Flat Rock Quarry; Crystal Mall), Waterford, New London Co., Connecticut, USA
33.8km (21.0 miles) Goos Quarry, Waterford, New London Co., Connecticut, USA
69.4km (43.1 miles) Rockside Quarry (Mine Hill Quarry), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA
71.1km (44.2 miles) Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
73.8km (45.9 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
79.3km (49.3 miles) North Street mall, Danbury, Fairfield County, Connecticut, USA
 
Mineral and/or Locality  
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