GRN grid region: N28W40
A grid 'square' of approximately 160km x 160km, part of the Global Reference Network of 19,833 grid cells covering the Earth.Northeast Corner:
42 0'0'' N , 72 12'35'' W ( 42,-72.21 )
Southwest Corner:
40 30'0'' N , 74 3'42'' W ( 40.5,-74.0617 )
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
387 valid minerals. 13 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc. 20 erroneous literature entries.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramLocalities within grid area
- ⭔Connecticut
- ⭔Fairfield County
- Bethel
- Bridgeport
- Brookfield
- ⭔Danbury
- Darien
- Easton
- Easton (Weston)
- Fairfield
- Greenwich
- ⭔Monroe
- New Canaan
- Newtown
- Norwalk
- Redding (Reading)
- Ridgefield
- Shelton
- Stamford
- Stratford
- Trumbull
- Weston
- Westport
- Wilton
- Hartford County
- Avon
- Berlin
- Bloomfield
- Bristol
- Burlington
- Canton
- East Granby
- Farmington
- Glastonbury
- Birch Mountain Road
- Blumenthal prospect
- Brooks Quarry
- Diamond Lake locality
- East Glastonbury
- Hale's Quarry
- Knob Hill Quarry
- Paxton Way
- ⭔South Glastonbury
- Chamberlain Lane
- Dayton Road prospect #2
- Dayton Road prospect #3
- Dayton Road prospect #4
- Eureka Quarries
- Gas pipeline excavation
- Griswold Quarry
- Hollister prospects
- Howe Quarry (Howe #1 Quarry; Huspband Quarry)
- Howe Quarry #2
- Howe Quarry #3
- Husband Quarries
- John C. Wiarda Quarry
- Roaring Brook Quarry
- Simpson prospect #1
- Simpson prospect #2
- Simpson prospect #3
- Simpson Quarry (Wiarda Quarry)
- Unnamed pegmatite prospect #1
- Unnamed pegmatite prospect #2
- Unnamed pegmatite prospect #3
- Unnamed pegmatite prospect #4
- Unnamed pegmatite prospect #5
- Unnamed pegmatite prospect #6
- Unnamed pegmatite prospect #7
- Unnamed pegmatite prospects
- Unnamed pegmatite quarry
- Spinelli prospect (Spinelli quarry)
- Granby
- Hartford
- Hartland
- Manchester
- Marlborough
- New Britain
- Newington
- Plainville
- Rocky Hill
- Simsbury
- Southington
- Suffield
- West Hartford
- Wethersfield
- Windsor
- ⭔Litchfield County
- Barkhamsted
- Bridgewater
- Canaan
- Colebrook
- Cornwall
- Harwinton
- Kent
- Litchfield
- Morris
- New Hartford
- New Milford
- Norfolk
- Plymouth
- Roxbury
- Salisbury
- Sharon
- Thomaston
- ⭔Torrington (Wolcottville)
- Costello Quarry
- East Branch Dam (Newfield Dam)
- Michiel Quarry
- Mountain Top Trucking quarry
- O & G Burrville Quarry (O & G No. 4 Quarry)
- Rossi Road
- Soapstone quarry
- South Main Street construction site
- Torringford
- West Torrington nickel mines (Coe Copper Mine; Hodges Mine; Barber Mine; Torrington Nickel Mine)
- ⭔Washington
- ⭔Watertown
- Winchester
- Woodbury
- ⭔Middlesex County
- Chester
- Cromwell
- Deep River
- Durham
- East Haddam
- Moodus
- East Hampton (Chatham)
- Airline Railroad
- Anderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine)
- Anderson No. 2 Mica Mine
- Bailey prospect
- Becker Quarry
- Bishop Hill Schorl Locality
- Clark Hill prospect
- Cobalt
- Enegren Mica Mine (Power Mica Mine)
- Halberg Quarries (Eureka Quarry; Cook Quarry; Gem Stone Quarry)
- Hog Hill
- Hurd State Park quarries
- Middle Haddam
- Nathan Hall Quarry (Clark Hill Quarry)
- Pyrite locality
- Slocum prospect
- State Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry)
- Valli Drive (Cranberry Bog)
- Vespa stone quarry
- Worth and Selden Quarries (Victoria Quarry)
- Essex
- Haddam
- Almandine schorl and sillimanite locality
- Arnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry)
- Arnold Quarry
- Chrysoberyl locality
- Civilian Conservation Corps prospect (CCC prospect; Cook columbite prospect)
- Civilian Conservation Corps Quarry (CCC Quarry; Smith Quarry; Turkey Hill quarry lot)
- Gulf Quarry
- Haddam Neck
- Connecticut Yankee atomic power plant
- Feldspar quarry
- Gillette Quarry (J-J Mine; Haddam Neck Quarry)
- Graphite locality
- Knudsen prospects
- Quarry Hill (Brainerd Quarries; Shailor Quarries)
- Rock Landing Quarry (Capt. Rohrback Quarry)
- Tidewater feldspar quarry
- Unnamed amphibole-tourmaline-magnetite locality
- Hazen quarry (Epidote locality)
- Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry)
- Higganum
- Hill above the parsonage (unnamed feldspar quarry)
- Jail Hill Road locality (Jail Hill Quarry)
- John Salak Quarry
- Kelsey prospect (Parmalee farm)
- Long-lot Quarry
- Long Hill prospects (Turkey Hill prospects)
- Long Hill Quarry
- Long Hill quartz locality
- Magnetite locality
- Nathaniel Cook house
- Nemo's Quarry
- Roberts Mica prospect
- Sandy Hill
- Shailor Quarry
- State Route 9 Interchange 13 - Beaver Meadow Road
- State Route 9 rock cuts
- Sulfur Spring (Sulphur Spring)
- Thulite locality
- Timms Hill (Tim's Hill; Iolite Hill)
- Tourmaline locality
- Ultramafic rock bodies
- Middlefield
- ⭔Fairfield County
- Connecticut
- Middlesex County
- Middletown
- Portland
- Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry)
- Appletree Lane
- Bordonaro Quarry
- Cape Hall Quarry
- Case Quarries
- Collins Hill
- Gotta-Walden Prospect
- Gotta-Wannerstrom Quarry
- Hale Quarry (Andrews Quarry; Glastonbury Quarry)
- Nike prospect
- Pelton's Quarry
- Penfield Quarry (Oak Leaf Quarry)
- Pratt Quarry
- Synnott Quarry
- Walden Gem Quarry
- ⭔New Haven County
- Ansonia
- Beacon Falls
- Bethany
- ⭔Branford
- Cheshire
- Booth and Hinman Barite Mine
- Cheshire Barytes Company barite mine (Stamford Manufacturing Company barite mine)
- Cheshire Mining and Manufacturing Company barite mine (Stamford Manufacturing Company barite mine)
- Cheshire Traprock Quarry
- Copper Valley Mine (Bellamy's Mine; Munson's Mine)
- Cross Rock Copper Mine
- Interstate 691 and State Route 10 Interchange
- Interstate 84 interchange 26
- Jinny Hill Mine (Cheshire Barite Mine)
- New Haven Mineral Company barite mine
- Roaring Brook
- Derby
- East Haven
- ⭔Guilford
- Hamden
- Madison
- Meriden
- Milford
- ⭔Naugatuck
- New Haven
- ⭔North Branford
- Orange
- Oxford
- Prospect
- ⭔Seymour
- Southbury
- Wallingford
- ⭔Waterbury
- West Haven
- Wolcott
- ⭔Woodbridge
- New London County
- ⭔Tolland County
- Windham County
- ⭔Mansfield
- Windham
- Middlesex County
- New Jersey
- Bergen County
- Alpine
- Cliffside Park
- Closter
- Edgewater
- Englewood
- Fairview
- Fort Lee
- Hudson County
- Bergen Hill
- Hoboken
- Jersey City
- Bergen Hill
- Delaware - Lackawanna & Western Railroad tunnels
- Erie Railroad cut (Bergen archways)
- Erie Railroad tunnel
- Bergen Hill
- North Bergen Township
- Bergen County
- New York
- Columbia County
- Copake Township
- Dutchess County
- Amenia (Ameniaville)
- Town of Amenia
- Town of Beekman
- Town of Dover
- Town of East Fishkill
- Town of Fishkill
- Town of North East (Northeast)
- Town of Pawling
- Town of Pleasant Valley
- Town of Poughkeepsie
- Town of Union Vale
- Town of Wappinger
- Nassau County
- ⭔New York City
- ⭔Brooklyn (Kings County)
- Manhattan (New York County)
- 106th Street & Central Park West
- 10th Avenue between 50th Street & 63rd Street
- 130th Street & Convent Avenue
- 157th Street & Broadway
- 161st Street & Broadway
- 162nd Street & Broadway
- 163rd Street & Broadway
- 164th Street & Broadway
- 165th Street & Broadway
- 165th Street & Riverside Drive
- 168th Street & Harlem River
- 170th Street & Broadway
- 171st Street & Broadway
- 176th Street & Broadway
- 179th Street & Haven Avenue
- 185th Street & Harlem Speedway (Harlem River Drive)
- 204th Street & Post Avenue
- 207th Street & Broadway
- 215th Street & Broadway
- 218th Street & Broadway
- 34th Street between 7th and 8th Avenues
- 35th Street & Broadway
- 43rd & 44th Streets between 1st & 3rd Avenues
- 45th Street & 2nd Avenue
- 52nd Street & 1st Avenue
- 53rd Street & Broadway
- 55th Street
- 56th Street between 6th & 7th Avenues
- 63rd Street Tunnel
- 65th Street & Broadway
- 80th Street & Park Avenue
- 82nd Street & Central Park West
- 88th Street
- 93rd Street & Riverside Drive
- ⭔Governors Island
- Grand Central Terminal
- ⭔Harlem
- Harlem Ship Canal
- Inwood Valley (Inwood)
- Kingsbridge Road quarries
- Marble Hill
- Roosevelt Island (Welfare Island)
- Tubby Hook occurrences
- Wards Island
- Washington Heights
- World Trade Center Site
- Queens (Queens County)
- The Bronx (Bronx County)
- Orange County
- Bear Mountain State Park
- Town of Highlands
- Town of Monroe
- Village of Monroe
- West Point
- Putnam County
- Town of Carmel
- Camarco Quarry
- Canopus Island
- Mahopac Mines
- Town of Kent
- Town of Patterson
- Town of Philipstown
- Town of Putnam Valley
- Town of Southeast
- Town of Carmel
- Rockland County
- Bear Mountain State Park
- Clarkstown
- Haverstraw
- Nyack
- Orangetown
- Stony Point (Woodbury)
- Town of Ramapo
- Ladentown
- Suffolk County
- Ulster County
- Kingston
- Ulster
- East Kingston
- Westchester County
- Bedford
- Cortlandt Township
- Croton Lake
- Greenburgh
- Harrison
- Mamaroneck
- Mount Pleasant
- New Castle
- New Rochelle
- North Castle
- North Salem
- Ossining (Sing Sing)
- Peekskill
- Pound Ridge
- Rye
- Scarsdale
- Somers Township
- White Plains
- Yonkers
- Yorktown
- Columbia County
Spinelli prospect, Glastonbury, Hartford County, Connecticut, USA