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Amethyst from
Roncari Quarry (Tilcon Quarry), East Granby, Hartford Co., Connecticut, USA

Mineral Species
Species:Quartz var: Amethyst
Formula:SiO2
Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Rocks & Min.: 70:398; Rocks & Minerals (1995) 70:396-409
Associated Minerals Based on Photo Data:
Datolite5 photos of Amethyst associated with Datolite at this locality.
Stilpnomelane3 photos of Amethyst associated with Stilpnomelane at this locality.
Quartz3 photos of Amethyst associated with Quartz at this locality.
Hematite1 photo of Amethyst associated with Hematite at this locality.
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Roncari Quarry (Tilcon Quarry), East Granby, Hartford Co., Connecticut, USA
Nearest other occurrences of Amethyst
17.9km (11.1 miles) A Canton, Hartford Co., Connecticut, USA
18.3km (11.4 miles) B Canton Lead Mines (Cherry Brook lead mine), Rattlesnake Mountain, Canton, Hartford Co., Connecticut, USA
19.6km (12.2 miles) C Huckleberry Hill, Avon, Hartford Co., Connecticut, USA
23.9km (14.9 miles) D Farmington Trap Rock Quarry, Farmington, Hartford Co., Connecticut, USA
24.5km (15.3 miles) E Farmington, Hartford Co., Connecticut, USA
24.7km (15.3 miles) F Balf Quarry, Newington, Hartford Co., Connecticut, USA
25.5km (15.9 miles) G The Woodlands, Newington, Hartford Co., Connecticut, USA
27.9km (17.3 miles) H 2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford Co., Connecticut, USA
30.2km (18.8 miles) I State Route 372 construction site, Plainville, Hartford Co., Connecticut, USA
31.2km (19.4 miles) J Plainville Trap Rock Quarry (Tilcon New Britain Quarry), Plainville, Hartford Co., Connecticut, USA
31.5km (19.6 miles) K State Route 9 - Ellis Street and State Route 72 interchanges (State Route 72 roadcut), New Britain, Hartford Co., Connecticut, USA
34.1km (21.2 miles) L Hart's Lead Mine, Berlin, Hartford Co., Connecticut, USA
34.6km (21.5 miles) M Mount Tom, Holyoke, Hampden Co., Massachusetts, USA
35.4km (22.0 miles) N Clark farm (Holler's Mine), Southington, Hartford Co., Connecticut, USA
38.2km (23.7 miles) O Manhan Mines (Loudville Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire Co., Massachusetts, USA
39.1km (24.3 miles) P Hawthorne Drive, Berlin, Hartford Co., Connecticut, USA
40.3km (25.1 miles) Q Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
42.3km (26.3 miles) R Meriden Trap Rock Quarry (Lane's Quarry), Meriden, New Haven Co., Connecticut, USA
43.3km (26.9 miles) S Pillow lava locality, Meriden, New Haven Co., Connecticut, USA
43.6km (27.1 miles) T Hubbard Park Quartz locality, Meriden, New Haven Co., Connecticut, USA
44.2km (27.5 miles) U Notch Quarry (Lane Quarry; Amherst Quarry; Round Mountain Quarry), Amherst, Hampshire Co., Massachusetts, USA
46.2km (28.7 miles) V Interstate 84 (I-84; I-86; State Route 15; Wilbur Cross Highway), Union, Tolland Co., Connecticut, USA
51.0km (31.7 miles) W Middlefield, Hampshire Co., Massachusetts, USA
52.0km (32.3 miles) X Reed's Gap Quarry (New Haven Trap Rock quarry; Tilcon Durham quarry), Durham, Middlesex Co., Connecticut, USA
52.2km (32.4 miles) Y Becket, Berkshire Co., Massachusetts, USA
53.9km (33.5 miles) Z Wallingford, New Haven Co., Connecticut, USA
54.6km (33.9 miles) 0 Haddam, Middlesex Co., Connecticut, USA
58.0km (36.1 miles) 1 O & G Woodbury Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield Co., Connecticut, USA
58.2km (36.1 miles) 2 Orenaug Hills, Woodbury, Litchfield Co., Connecticut, USA
61.5km (38.2 miles) 3 O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
62.9km (39.1 miles) 4 Salem, New London Co., Connecticut, USA
63.7km (39.6 miles) 5 Bates' Rock Road, Southbury, New Haven Co., Connecticut, USA
64.2km (39.9 miles) 6 Southbury, New Haven Co., Connecticut, USA
64.2km (39.9 miles) 7 Rockside Quarry (Mine Hill Quarry), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA
64.3km (39.9 miles) 8 Heritage Village, Southbury, New Haven Co., Connecticut, USA
65.2km (40.5 miles) 9 Curtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven Co., Connecticut, USA
Mineral and/or Locality  
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