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

Locality type:Quarry
Classification
Species:Quartz var: Amethyst
Formula:SiO2
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) Canton, Hartford Co., Connecticut, USA
18.3km (11.4 miles) Canton Lead Mines (Cherry Brook lead mine; Dyer Farm zinc mine), Rattlesnake Mountain, Canton, Hartford Co., Connecticut, USA
19.6km (12.2 miles) Huckleberry Hill, Avon, Hartford Co., Connecticut, USA
23.9km (14.9 miles) Farmington Trap Rock Quarry, Farmington, Hartford Co., Connecticut, USA
24.5km (15.3 miles) Farmington, Hartford Co., Connecticut, USA
24.7km (15.3 miles) Balf Quarry, Newington, Hartford Co., Connecticut, USA
25.5km (15.9 miles) The Woodlands, Newington, Hartford Co., Connecticut, USA
27.9km (17.3 miles) 2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford Co., Connecticut, USA
30.2km (18.8 miles) State Route 372 construction site, Plainville, Hartford Co., Connecticut, USA
31.2km (19.4 miles) Plainville Trap Rock Quarry (Tilcon New Britain Quarry), Plainville, Hartford Co., Connecticut, USA
 
Mineral and/or Locality  
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