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!
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Siderite from
Trewethen Mine, St Kew, Cornwall, England, UK


00907840017369452925097.jpg
Siderite

Trewethen Mine, St Kew, Cornwall, England, UK
08938970017628788247181.jpg
Siderite, etc.

Trewethen Mine, St Kew, Cornwall, England, UK
04924450017360817906599.jpg
Siderite

Trewethen Mine, St Kew, Cornwall, England, UK
08938970017628788247181.jpg
Siderite, etc.

Trewethen Mine, St Kew, Cornwall, England, UK
04924450017360817906599.jpg
Siderite

Trewethen Mine, St Kew, Cornwall, England, UK
08938970017628788247181.jpg
Siderite, etc.

Trewethen Mine, St Kew, Cornwall, England, UK
Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Dolomite3
Chalcopyrite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Trewethen Mine, St Kew, Cornwall, England, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:10006
Long-form Identifier:1:3:10006:3
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.2km (0.1 miles) ⓘPengenna Mine, St Kew, Cornwall, England, UK
1.2km (0.7 miles) ⓘOld Treburgett Mine, St Teath, Cornwall, England, UK
1.5km (0.9 miles) ⓘTreburgett Mine, St Teath, Cornwall, England, UK
3.1km (1.9 miles) ⓘPendogget Mine, St Kew, Cornwall, England, UK
3.1km (2.0 miles) ⓘTreore Mine, St Endellion, Cornwall, England, UK
3.5km (2.2 miles) ⓘPoltreworgey Mine, St Endellion, Cornwall, England, UK
3.6km (2.2 miles) ⓘBounds Cliff, St Endellion, Cornwall, England, UK
3.7km (2.3 miles) ⓘBarrett 's Zawn, St Teath, Cornwall, England, UK
4.1km (2.5 miles) ⓘBodannon Mine, Trewetha, St Endellion, Cornwall, England, UK
4.2km (2.6 miles) ⓘTrevinnick Mine, St Kew, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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