MINDAT.ORG 2018 BENEFIT AUCTION Click here to preview now. Bidding starts June 1st
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Hornblende from
Case Quarries, Portland, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:'Hornblende' (not an IMA approved species)
Comments:Rock-forming component of the host Glastonbury Gneiss.
Habit:subhedral elongated prisms
Colour:black
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:
Schooner, Richard. (1958), The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.
Data
Mineral Data:Click here to view Hornblende data
Locality Data:Click here to view Case Quarries, Portland, Middlesex Co., Connecticut, USA
Nearest other occurrences of Hornblende
1.5km (1.0 miles) A Walden Gem Quarry, Portland, Middlesex Co., Connecticut, USA
2.7km (1.7 miles) B Pelton's Quarry, Portland, Middlesex Co., Connecticut, USA
4.5km (2.8 miles) C Hale-Walker prospects, Collins Hill, Portland, Middlesex Co., Connecticut, USA
5.8km (3.6 miles) D Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
11.5km (7.1 miles) E Worth and Selden Quarries (Victoria Quarry), East Hampton (Chatham), Middlesex Co., Connecticut, USA
33.2km (20.6 miles) F East Main Street construction site, Waterbury, New Haven Co., Connecticut, USA
36.4km (22.6 miles) G Mansfield Hollow Dam, Windham, Windham Co., Connecticut, USA
41.4km (25.7 miles) H Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
42.9km (26.6 miles) I Hoadley Point Quarries, Branford, New Haven Co., Connecticut, USA
47.2km (29.3 miles) J Barrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven Co., Connecticut, USA
55.1km (34.3 miles) K Stevenson Mine (Burke's Copper Mine), Oxford, New Haven Co., Connecticut, USA
57.3km (35.6 miles) L Westfield, Hampden Co., Massachusetts, USA
58.2km (36.2 miles) M Mount Prospect complex (Prospect Hill complex; Prospect Mountain complex), Litchfield, Litchfield Co., Connecticut, USA
60.7km (37.7 miles) N Sturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester Co., Massachusetts, USA
66.3km (41.2 miles) O State Route 111 road cuts, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
70.6km (43.8 miles) P U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield Co., Connecticut, USA
72.7km (45.2 miles) Q Agstone Company Limestone Quarry, Danbury, Fairfield Co., Connecticut, USA
73.9km (45.9 miles) R Belchertown, Hampshire Co., Massachusetts, USA
76.1km (47.3 miles) S Otis, Berkshire Co., Massachusetts, USA
76.7km (47.7 miles) T North Street mall, Danbury, Fairfield Co., Connecticut, USA
77.2km (48.0 miles) U Danbury, Fairfield Co., Connecticut, USA
81.4km (50.6 miles) V Pelham asbestos mine, Pelham, Hampshire Co., Massachusetts, USA
81.8km (50.8 miles) W Weston, Fairfield Co., Connecticut, USA
81.9km (50.9 miles) X Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA
82.1km (51.0 miles) Y Coventry, Kent Co., Rhode Island, USA
85.6km (53.2 miles) Z Ridgefield, Fairfield Co., Connecticut, USA
86.2km (53.6 miles) 0 Tyringham, Berkshire Co., Massachusetts, USA
88.9km (55.3 miles) 1 Becket, Berkshire Co., Massachusetts, USA
90.4km (56.2 miles) 2 Interstate 84 road cuts, Brewster, Southeast Township, Putnam Co., New York, USA
92.1km (57.2 miles) 3 Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
92.1km (57.3 miles) 4 Leverett, Franklin Co., Massachusetts, USA
93.3km (58.0 miles) 5 Uxbridge, Worcester Co., Massachusetts, USA
93.6km (58.1 miles) 6 Lee, Berkshire Co., Massachusetts, USA
94.9km (58.9 miles) 7 Centredale, North Providence, Providence Co., Rhode Island, USA
97.8km (60.8 miles) 8 Quabbin Aqueduct Shaft #6 locality, Rutland, Worcester Co., Massachusetts, USA
100.4km (62.4 miles) 9 Bedford, Westchester Co., New York, USA
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: May 28, 2018 00:16:02
Go to top of page