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

Zinnwaldite from
Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:'Zinnwaldite' (not an IMA approved species)
Comments:Found in the cleavelandite-quartz intermediate zone. Schooner (circa 1985) reports that "X-ray and spectrographic study, quite recently, have identified rich specimens, consisting of coarse golden-brown aggregates with zoned elbaite-schorl tourmaline. It can also be purplish-gray."
Habit:micaceous
Colour:golden-brown, purplish-grey
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
References
References:Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.
Associated Minerals Based on Photo Data:
Fluorite2 photos of Zinnwaldite associated with Fluorite at this locality.
Quartz2 photos of Zinnwaldite associated with Quartz at this locality.
Albite2 photos of Zinnwaldite associated with Albite at this locality.
Fluorapatite1 photo of Zinnwaldite associated with Fluorapatite at this locality.
Almandine1 photo of Zinnwaldite associated with Almandine at this locality.
Data
Mineral Data:Click here to view Zinnwaldite data
Locality Data:Click here to view Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
Photo GalleryView Gallery (3 photos)
 
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: February 29, 2020 04:50:48
Go to top of page