Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
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 ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced 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 MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Siderite from
Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA


01916720017272024468598.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
09816520017398507362894.jpg
Siderite

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
01627150017394234051318.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
03981760017394234053026.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
06038370017362306981062.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
00553650017398495028351.jpg
Siderite

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
08022850017394176959047.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
00141360017394179771220.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
01916720017272024468598.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
03091780017398863788050.jpg
Siderite

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
06512490017394854638579.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
03806820017411786693209.jpg
Siderite, etc.

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Comments:Typically as cleavable masses, some lustrous, curved rhombohedral crystals are found in small cavities or frozen in quartz
Habit:rhombohedrons
Colour:tan to light brown
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Extremely common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz50
Pyrite25
Sphalerite11
Hematite6
Arsenopyrite5
Galena4
Goethite2
Hydrozincite2
Limonite1
Clinochlore1
Aragonite1
Opal1
- var Opal-AN1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
Photo GalleryView Gallery (28 photos)
Data Identifiers
Mindat Occurrence Record ID:37867
Long-form Identifier:1:3:37867:3
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.4km (0.2 miles) ⓘRockside Quarry, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
28.0km (17.4 miles) ⓘLane's Mine (Lane's Lead and Silver Mine; Elm Street), Monroe, Fairfield County, Connecticut, USA
30.3km (18.8 miles) ⓘArsenic and nickel mine (Nickel Mine Brook), Seymour, New Haven County, Connecticut, USA
30.5km (18.9 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
32.0km (19.9 miles) ⓘCorporate Drive, Long Hill, Trumbull, Fairfield County, Connecticut, USA
32.3km (20.1 miles) ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
32.6km (20.2 miles) ⓘOld Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
36.2km (22.5 miles) ⓘState Route 25 road cuts, Trumbull, Fairfield County, Connecticut, USA
36.3km (22.5 miles) ⓘGridley Mine, Amenia (Ameniaville), Dutchess County, New York, USA
36.4km (22.6 miles) ⓘAmenia Mine, Amenia (Ameniaville), Dutchess County, New York, USA
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 3, 2026 16:40:17
Go to top of page