SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
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

Rhodochrosite from
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA

Locality type:Quarry
Classification
Species:Rhodochrosite
Formula:MnCO3
Comments:Associated with eosphorite, dickinsonite, triploidite, quartz, also included in lithiophilite. Also chabazite, quartz, and fluorapatite crystallized in cavities in rhodochrosite associated with clove-brown lithiophilite, quartz, apatite, and dickinsonite. Typically with black alteration crust.
Habit:cleavable masses
Colour:white to pink
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Brush and Dana (1878b, 1879a, 1879b); Shainin (1946): American Mineralogist 31: 329-345; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 718, 855, 938.
Associated Minerals:
Associates:Dickinsonite-(KMnNa)
Eosphorite
Triploidite
Associated Minerals Based on Photo Data:
Lithiophilite1 photo of Rhodochrosite associated with Lithiophilite at this locality.
Data
Mineral Data:Click here to view Rhodochrosite data
Locality Data:Click here to view Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
Photo GalleryView Gallery (7 photos)
Nearest other occurrences of Rhodochrosite
79.3km (49.3 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
79.3km (49.3 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
97.4km (60.5 miles) Hamburg Mine (Hamburg Road Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
97.6km (60.6 miles) Buckwheat pit (Southwest opening; Buckwheat Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
97.6km (60.6 miles) Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
99.7km (61.9 miles) Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, 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 1993-2019, 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: November 12, 2019 20:42:21
Go to top of page