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Sphalerite from
O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA

Classification
Species:Sphalerite
Comments:Typically isolated micro-crystals to 6 mm perched on prehnite, complex forms, transparent and lustrous.
Habit:complex tetrahedra
Colour:pale brown to olive green
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:J. Zolan; Weber, Marcelle H. and Earle C. Sullivan. (1995): Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70(6): 407; Garabedian, James A. (1998), Secondary Mineralization of Half-Moon Vesicles in the Mesozoic Basalt of the O&G#2 Quarry, Woodbury, Connecticut. University of Connecticut Master of Science Thesis.
Associated Minerals Based on Photo Data:
Prehnite1 photo of Sphalerite associated with Prehnite at this locality.
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
Nearest other occurrences of Sphalerite
10.7km (6.6 miles) A Sandy Hook gold mine (Blackwell's mine), Sandy Hook, Newtown, Fairfield Co., Connecticut, USA
11.9km (7.4 miles) B Rockside Quarry (Mine Hill Quarry), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA
12.0km (7.4 miles) C Roxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA
13.8km (8.6 miles) D Kyanite locality (Judds Bridge locality), Washington, Litchfield Co., Connecticut, USA
16.4km (10.2 miles) E Old lead mine, Brookfield, Fairfield Co., Connecticut, USA
16.5km (10.2 miles) F U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield Co., Connecticut, USA
20.1km (12.5 miles) G Booth's Mine (Booth's Bismuth Mine; Booth-Hurd's Bismuth Mine), Monroe, Fairfield Co., Connecticut, USA
20.2km (12.6 miles) H Lane's Mine (Lane's Lead and Silver Mine; Elm Street), Monroe, Fairfield Co., Connecticut, USA
23.0km (14.3 miles) I North Street mall, Danbury, Fairfield Co., Connecticut, USA
23.8km (14.8 miles) J Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
24.8km (15.4 miles) K Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
25.0km (15.5 miles) L Old Mine Park (Lane’s Mine of Trumbull; Lane's New Stratford mine; Hubbard Mine; Long Hill Mine; Old Tungsten Mine), Long Hill, Trumbull, Fairfield Co., Connecticut, USA
28.3km (17.6 miles) M State Route 25 road cuts, Trumbull, Fairfield Co., Connecticut, USA
28.4km (17.6 miles) N State Route 8 and State Route 118 interchange, Harwinton, Litchfield Co., Connecticut, USA
30.9km (19.2 miles) O Lord Chamberlain Nursing and Rehabilitation Center (7003 Main Street; 7003 State Route 110), Stratford, Fairfield Co., Connecticut, USA
32.1km (19.9 miles) P Ridgefield Silver Mine, Ridgefield, Fairfield Co., Connecticut, USA
33.1km (20.6 miles) Q Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA
33.3km (20.7 miles) R Bristol Copper Mine, Bristol, Hartford Co., Connecticut, USA
33.4km (20.7 miles) S East Rock, New Haven, New Haven Co., Connecticut, USA
35.7km (22.2 miles) T Wilton Silver Mine, Wilton, Fairfield Co., Connecticut, USA
36.7km (22.8 miles) U Trap Rock quarry, Plainville, Hartford Co., Connecticut, USA
37.7km (23.4 miles) V Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
38.6km (24.0 miles) W Tomasso Quarry (Tilcon Tomasso Quarry; Tilcon Quarry; Arborio Quarry), Farmington, Hartford Co., Connecticut, USA
39.4km (24.5 miles) X Hart's Lead Mine, Berlin, Hartford Co., Connecticut, USA
40.3km (25.0 miles) Y State Route 9 - Ellis Street and State Route 72 interchanges (State Route 72 roadcut), New Britain, Hartford Co., Connecticut, USA
43.8km (27.2 miles) Z Canton Lead Mines (Cherry Brook lead mine; Dyer Farm zinc mine), Rattlesnake Mountain, Canton, Hartford Co., Connecticut, USA
45.7km (28.4 miles) 0 Newington, Hartford Co., Connecticut, USA
46.6km (29.0 miles) 1 2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford Co., Connecticut, USA
50.5km (31.4 miles) 2 Tollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex Co., Connecticut, USA
50.6km (31.4 miles) 3 Middletown lead mines (Middletown Mine), Middletown, Middlesex Co., Connecticut, USA
50.7km (31.5 miles) 4 State Farm Quarry (Road Metal Quarry), Middletown, Middlesex Co., Connecticut, USA
51.4km (32.0 miles) 5 White Rocks Quarry (Consolidated Quarry), White Rock District (White Rocks District), Middletown, Middlesex Co., Connecticut, USA
52.7km (32.7 miles) 6 Schoonmaker Mine (Cramer Mine), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
52.7km (32.7 miles) 7 Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
52.9km (32.9 miles) 8 Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex Co., Connecticut, USA
54.3km (33.7 miles) 9 State Route 22 roadcut, Millerton, North East Township (Northeast), Salisbury District, Dutchess Co., New York, USA
Mineral and/or Locality  
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