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
Halamanning Mine, St Hilary, Cornwall, England, UK


07598960017362237156534.jpg
Siderite

Halamanning Mine, St Hilary, Cornwall, England, UK
07598960017362237156534.jpg
Siderite

Halamanning Mine, St Hilary, Cornwall, England, UK
07653230017272045474017.jpg
Siderite

Halamanning Mine, St Hilary, Cornwall, England, UK
Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Halamanning Mine, St Hilary, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:407407
Long-form Identifier:1:3:407407:6
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.7km (0.4 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
0.9km (0.6 miles) ⓘWheal Friendship, St Hilary, Cornwall, England, UK
1.7km (1.0 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
2.4km (1.5 miles) ⓘTrevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK
3.1km (1.9 miles) ⓘTolvadden Mine, Marazion, Cornwall, England, UK
3.3km (2.1 miles) ⓘGreat Work Mine (incl. Leeds Mine), Godolphin Cross, Breage, Cornwall, England, UK
5.1km (3.2 miles) ⓘWheal Bolton, Crowlas, Ludgvan, Cornwall, England, UK
5.4km (3.3 miles) ⓘWest Alfred Consols (Wheal Ann), Hayle, Cornwall, England, UK
5.8km (3.6 miles) ⓘWheal Trewavas (Trewavas Cliff Mine), Rinsey, Breage, Cornwall, England, UK
5.9km (3.7 miles) ⓘBinner Downs Mine, Leedstown, Crowan, Cornwall, England, UK
References
Collection Richard De Nul
 
and/or  
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