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Quartz from
State Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA


Classification
Species:Quartz
Formula:SiO2
Comments:Massive except as micro-crystals in thin alpine clefts with adularia, anatase, synchysite-(Y). Minor constituent in altered ultramafic rock, but major component of the pegmatite.
Habit:anhedral, druses of stubby prisms
Colour:smoky to colorlesss
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Very common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Vivianite4
Triphylite3
Muscovite1
Synchysite-(Y)1
Anatase1
K Feldspar1
- var Adularia1
Albite1
Rockbridgeite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view State Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:860432
Long-form Identifier:1:3:860432:3
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.6km (1.6 miles) ⓘPegmatite quarry and ultramafic rock, Harwinton, Litchfield County, Connecticut, USA
2.7km (1.7 miles) ⓘSouth Main Street construction site, Torrington, Litchfield County, Connecticut, USA
5.2km (3.3 miles) ⓘTown Farm Road, Litchfield, Litchfield County, Connecticut, USA
5.4km (3.4 miles) ⓘState Route 118 Bantam River bridge, Litchfield, Litchfield County, Connecticut, USA
5.7km (3.5 miles) ⓘRock Brook, Harwinton, Litchfield County, Connecticut, USA
6.3km (3.9 miles) ⓘLead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
7.6km (4.7 miles) ⓘTorringford, Torrington, Litchfield County, Connecticut, USA
7.7km (4.8 miles) ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
8.0km (5.0 miles) ⓘMountain Top Trucking quarry, Torrington, Litchfield County, Connecticut, USA
8.4km (5.2 miles) ⓘThomaston Dam pegmatite, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
References
Robert Wilken collection
Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.
 
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