Vote for your favorite mineral in #MinCup26! - Erythrite vs. Skutterudite
Pretty pink and poisonous Erythrite is against its shiny silver and structurally-useful Skutterudite.
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Ankerite from
Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK


06836690017363292711690.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
09044820017271998185803.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
05932500017367919931394.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
09952750017817641571206.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
05351740017362268139558.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
02854600017367919967102.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
05675550017367824602212.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
04820600017817638953038.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
07709970017367919993190.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
09044820017271998185803.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
07279180017367920007095.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
05353340017820998666890.jpg
Ankerite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Comments:Ankerite is the most common constituent of the metasomatic deposits in this mine and many others in the orefield. The colour is white-creamy in unoxidized specimens showing typical saddle shaped crystals to 1cm. Oxidised examples from the Nenthead mines varies in colour from pale creamy brown and yellow to black.
Colour:White to creamy
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Extremely common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz38
Galena36
Calcite16
Chalcopyrite13
Sphalerite12
Pyrite5
Siderite4
Brianyoungite3
Baryte1
Fluorite1
Native Sulphur1
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:770
Long-form Identifier:1:3:770:2
GUID (UUID V4):0
Nearest other occurrences of Ankerite
0.4km (0.2 miles) ⓘCarrs Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
0.5km (0.3 miles) ⓘMiddlecleugh Upper Level, Nenthead, Alston Moor, Eden, Cumbria, England, UK
0.8km (0.5 miles) ⓘRampgill Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
0.9km (0.5 miles) ⓘCaplecleugh 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
3.0km (1.9 miles) ⓘNentsberry Haggs Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
3.7km (2.3 miles) ⓘPark Level Mine, Killhope Burn, Stanhope, County Durham, England, UK
4.0km (2.5 miles) ⓘBarneycraig Mine, Coalcleugh, West Allen, Northumberland, England, UK
5.1km (3.2 miles) ⓘTynebottom Mine, Garrigill, Alston Moor, Eden, Cumbria, England, UK
References
Dunham, K.C. (1990) Geology of the Northern Pennine Orefield, Volume 1, Tyne to Stainmore. 2nd edition, British Geological Survey.
 
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