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Calcite from
Interstate 691 and State Route 10 Interchange, Cheshire, New Haven Co., Connecticut, USA

Classification
Species:Calcite
Formula:CaCO3
Comments:At the off-ramp exposure the best crystals are translucent yellow dogtooth crystals to about 1.5 cm with good fluorescence. In the pit, the crystals are larger, to 2.5 cm and well formed but largely an ugly opaque red-brown from inclusions.
Habit:Scalenohedral to rhombohedral
Colour:colorless, white, yellow, red-brown
Luminescent properties:orange-red (best under MW UV), white to pale blue (outer zone on some dogtooth crystals under LW UV)
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Harold Moritz collection
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Interstate 691 and State Route 10 Interchange, Cheshire, New Haven Co., Connecticut, USA
Nearest other occurrences of Calcite
0.8km (0.5 miles) A New Haven Mineral Company barite mine, Cheshire, New Haven Co., Connecticut, USA
4.5km (2.8 miles) B Cheshire Barytes Company barite mine (Stamford Manufacturing Company barite mine), Cheshire, New Haven Co., Connecticut, USA
5.2km (3.2 miles) C Hubbard Park Quartz locality, Meriden, New Haven Co., Connecticut, USA
5.3km (3.3 miles) D Cheshire Traprock Quarry, Cheshire, New Haven Co., Connecticut, USA
5.6km (3.5 miles) E Interstate 84 interchange 26, Cheshire, New Haven Co., Connecticut, USA
6.2km (3.9 miles) F Pillow lava locality, Meriden, New Haven Co., Connecticut, USA
8.0km (4.9 miles) G Meriden Trap Rock Quarry (Lane's Quarry), Meriden, New Haven Co., Connecticut, USA
8.3km (5.2 miles) H Copper Valley Mine (Bellamy's Mine), Cheshire, New Haven Co., Connecticut, USA
8.8km (5.5 miles) I Jinny Hill Mine (Cheshire Barite Mine), Cheshire, New Haven Co., Connecticut, USA
9.0km (5.6 miles) J Clark farm (Holler's Mine), Southington, Hartford Co., Connecticut, USA
11.2km (7.0 miles) K Hawthorne Drive, Berlin, Hartford Co., Connecticut, USA
12.4km (7.7 miles) L Camptonite dike, Middlefield, Middlesex Co., Connecticut, USA
12.5km (7.8 miles) M Waterbury, New Haven Co., Connecticut, USA
12.6km (7.8 miles) N Route 66 outcrops, Black Pond, Middlefield, Middlesex Co., Connecticut, USA
13.0km (8.1 miles) O Plainville Trap Rock Quarry (Tilcon New Britain Quarry), Plainville, Hartford Co., Connecticut, USA
13.1km (8.1 miles) P Hart's Lead Mine, Berlin, Hartford Co., Connecticut, USA
13.6km (8.4 miles) Q Hurley Hill, Bristol, Hartford Co., Connecticut, USA
13.9km (8.6 miles) R Trap Rock quarry, Plainville, Hartford Co., Connecticut, USA
13.9km (8.7 miles) S Blue Stone Quarry, Waterbury, New Haven Co., Connecticut, USA
14.0km (8.7 miles) T State Route 372 construction site, Plainville, Hartford Co., Connecticut, USA
14.1km (8.8 miles) U North Mountain Road, Plainville, Hartford Co., Connecticut, USA
14.8km (9.2 miles) V State Routes 9 and 372 interchange, Berlin, Hartford Co., Connecticut, USA
14.8km (9.2 miles) W State Route 9 - Ellis Street and State Route 72 interchanges (State Route 72 roadcut), New Britain, Hartford Co., Connecticut, USA
15.4km (9.6 miles) X State Route 8 exit 37, Watertown, Litchfield Co., Connecticut, USA
16.5km (10.2 miles) Y Reed's Gap Quarry (New Haven Trap Rock quarry; Tilcon Durham quarry), Durham, Middlesex Co., Connecticut, USA
17.2km (10.7 miles) Z Tomasso Quarry (Tilcon Tomasso Quarry; Tilcon Quarry; Arborio Quarry), Farmington, Hartford Co., Connecticut, USA
18.2km (11.3 miles) 0 Bristol Copper Mine, Bristol, Hartford Co., Connecticut, USA
18.8km (11.7 miles) 1 Arute Field, New Britain, Hartford Co., Connecticut, USA
19.7km (12.2 miles) 2 State Route 4 road cut, Farmington, Hartford Co., Connecticut, USA
20.2km (12.5 miles) 3 Fenn Road, Newington, Hartford Co., Connecticut, USA
20.2km (12.6 miles) 4 State Route 9 & State Route 71 Interchange, New Britain, Hartford Co., Connecticut, USA
20.3km (12.6 miles) 5 Farmington Trap Rock Quarry, Farmington, Hartford Co., Connecticut, USA
20.5km (12.7 miles) 6 The Woodlands, Newington, Hartford Co., Connecticut, USA
20.7km (12.9 miles) 7 Newington, Hartford Co., Connecticut, USA
21.2km (13.1 miles) 8 2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford Co., Connecticut, USA
21.5km (13.4 miles) 9 Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
Mineral and/or Locality  
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