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 EducatorsMindat ArticlesThe ElementsBooks & Magazines
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
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Aquamarine from
Pelton's Quarry, Portland, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Beryl var: Aquamarine
Formula:Be3Al2Si6O18
Comments:well formed crystals with characteristic deep blue color sometimes grading to almost black
Habit:elongated hexagonal prisms, typically terminated by pinacoids
Colour:blue-green, deep aqua to almost black
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Jarnot (1995) Connecticut Gems & Gem Minerals
Associated Minerals Based on Photo Data:
Gahnite1 photo of Aquamarine associated with Gahnite at this locality.
Data
Mineral Data:Click here to view Aquamarine data
Locality Data:Click here to view Pelton's Quarry, Portland, Middlesex Co., Connecticut, USA
Photo GalleryView Gallery (7 photos)
Nearest other occurrences of Aquamarine
1.6km (1.0 miles) Schoonmaker Mine (Cramer Mine), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
1.6km (1.0 miles) Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
2.0km (1.2 miles) Hale-Walker prospects, Collins Hill, Portland, Middlesex Co., Connecticut, USA
2.6km (1.6 miles) Walden Gem Quarry, Portland, Middlesex Co., Connecticut, USA
2.7km (1.7 miles) Case Quarries, Portland, Middlesex Co., Connecticut, USA
4.4km (2.7 miles) Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
5.3km (3.3 miles) Riverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex Co., Connecticut, USA
7.4km (4.6 miles) Brack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
11.7km (7.2 miles) Slocum prospect, East Hampton (Chatham), Middlesex Co., Connecticut, USA
13.3km (8.2 miles) Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, 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. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2020, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 27, 2020 21:37:41
Go to top of page