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
Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK


00904270017372178068093.jpg
Siderite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
00904270017372178068093.jpg
Siderite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
09171770017271987273080.jpg
Siderite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Comments:By far the least common carbonate species in the mine, from brown to black.
Colour:Brown, oxidised examples black
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite8
Dolomite6
Ankerite4
Galena4
Quartz4
Calcite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:10003
Long-form Identifier:1:3:10003:6
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.8km (0.5 miles) ⓘRampgill Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
2.1km (1.3 miles) ⓘBrownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor, Eden, Cumbria, England, UK
2.5km (1.5 miles) ⓘCoalcleugh Mine, Coalcleugh, West Allen, Northumberland, England, UK
3.5km (2.2 miles) ⓘWellhopehead Mine, West Allen, Northumberland, England, UK
3.7km (2.3 miles) ⓘPark Level Mine, Killhope Burn, Stanhope, County Durham, England, UK
4.0km (2.5 miles) ⓘAshgillfield Mine (Ashgill Fields Mine), Alston Moor, Eden, Cumbria, England, UK
4.5km (2.8 miles) ⓘWellheads Hush, Stanhope, County Durham, England, UK
5.1km (3.2 miles) ⓘSwinhope Moor, Allendale, Northumberland, England, UK
7.1km (4.4 miles) ⓘBurtree Slits, Cowshill, Stanhope, County Durham, England, UK
7.4km (4.6 miles) ⓘBurtree Pasture Mine (Breckonsyke Mine; Broadmea Mine), Cowshill, Stanhope, County Durham, England, UK
References
S. Rust collection
 
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 09:38:17
Go to top of page