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Quartz from
Case Quarries, Portland, Middlesex Co., Connecticut, USA

Mineral Species
Species:Quartz
Formula:SiO2
Description
Comments:Overwhelmingly a rock-forming component of the pegmatites, but a few pocket crystals known.
Habit:mostly massive, rare as prismatic crystals
Colour:colorless, milky, smoky
Quality of samples:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Rarity at site:Extremely common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Cameron, Eugene N., Larrabee David M., McNair, Andrew H., Page, James T., Stewart, Glenn W., and Shainin, Vincent E. (1954), Pegmatite Investigations 1942-45 New England. USGS Professional Paper 255.
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Case Quarries, Portland, Middlesex Co., Connecticut, USA
Nearest other occurrences of Quartz
0.8km (0.5 miles) A Appletree Lane, Portland, Middlesex Co., Connecticut, USA
1.3km (0.8 miles) B Gotta-Walden Prospect, Portland, Middlesex Co., Connecticut, USA
1.4km (0.9 miles) C Gotta-Wannerstrom Quarry, Portland, Middlesex Co., Connecticut, USA
1.4km (0.9 miles) D Bordonaro Quarry, Portland, Middlesex Co., Connecticut, USA
1.5km (1.0 miles) E Walden Gem Quarry, Portland, Middlesex Co., Connecticut, USA
1.5km (1.0 miles) F Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex Co., Connecticut, USA
1.8km (1.1 miles) G Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex Co., Connecticut, USA
1.9km (1.2 miles) H Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.1km (1.3 miles) I Hollister prospects (Hollister Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.3km (1.4 miles) J Howe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.4km (1.5 miles) K Synnott Quarry, Portland, Middlesex Co., Connecticut, USA
2.4km (1.5 miles) L Griswold Quarry, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.6km (1.6 miles) M Gas pipeline excavation, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.7km (1.7 miles) N Pelton's Quarry, Portland, Middlesex Co., Connecticut, USA
2.7km (1.7 miles) O Husband Quarry, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.7km (1.7 miles) P Unnamed prospects, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.8km (1.8 miles) Q Howe #4 Quarry and Eureka Quarries, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
3.2km (2.0 miles) R Carr Brook Waterfall, Collins Hill, Portland, Middlesex Co., Connecticut, USA
3.3km (2.1 miles) S Chamberlain Lane, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
3.6km (2.2 miles) T John C. Wiarda Quarry, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
3.7km (2.3 miles) U Schoonmaker Mine (Cramer Mine), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
3.8km (2.4 miles) V Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
4.3km (2.7 miles) W Roaring Brook Quarry, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
4.5km (2.8 miles) X Hale-Walker prospects, Collins Hill, Portland, Middlesex Co., Connecticut, USA
4.6km (2.9 miles) Y State Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex Co., Connecticut, USA
4.8km (3.0 miles) Z Nathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex Co., Connecticut, USA
5.0km (3.1 miles) 0 Clark Hill prospect, East Hampton (Chatham), Middlesex Co., Connecticut, USA
5.8km (3.6 miles) 1 Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
5.9km (3.7 miles) 2 Brack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
6.0km (3.8 miles) 3 East Glastonbury Quarry (Curtis Quarry), East Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
6.1km (3.8 miles) 4 State Forest Quarry #2 (State Forest No. 2 Mica Mine), Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
6.3km (3.9 miles) 5 Great Hill Pond Brook pegmatite, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
6.6km (4.1 miles) 6 Knob Hill Quarry, Glastonbury, Hartford Co., Connecticut, USA
6.9km (4.3 miles) 7 Spinelli prospect (Spinelli quarry), Glastonbury, Hartford Co., Connecticut, USA
7.2km (4.5 miles) 8 Rocky Hill Quarry, Rocky Hill, Hartford Co., Connecticut, USA
7.3km (4.5 miles) 9 State Route 2 roadcut, Marlborough, Hartford Co., Connecticut, USA
Mineral and/or Locality  
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