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
West Alfred Consols (Wheal Ann), Hayle, Cornwall, England, UK


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view West Alfred Consols (Wheal Ann), Hayle, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:192049
Long-form Identifier:1:3:192049:9
GUID (UUID V4):0
Nearest other occurrences of Siderite
4.1km (2.5 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
4.4km (2.8 miles) ⓘTrevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK
4.6km (2.8 miles) ⓘCarbis Bay sands, Carbis Bay, St Ives, Cornwall, England, UK
4.6km (2.9 miles) ⓘCarbis Bay, St Ives, Cornwall, England, UK
4.8km (3.0 miles) ⓘTrevascus Mine (Trevaskus Mine; Trevaskis Mine), Carnhell Green, Gwinear-Gwithian, Cornwall, England, UK
4.9km (3.0 miles) ⓘWheal Friendship, St Hilary, Cornwall, England, UK
5.1km (3.2 miles) ⓘBinner Downs Mine, Leedstown, Crowan, Cornwall, England, UK
5.4km (3.3 miles) ⓘHalamanning Mine, St Hilary, Cornwall, England, UK
5.5km (3.4 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
6.3km (3.9 miles) ⓘGreat Work Mine (incl. Leeds Mine), Godolphin Cross, Breage, Cornwall, England, UK
References
Henwood, William Jory (1871) The Mining District of Chañarcillo in Chili, in Observations of Metalliferous Deposits, and on Subterranean Temperature - Part the First. Transactions of the Royal Geological Society of Cornwall, 8 (1). 69-152p.112
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.142-143
 
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