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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Chalcopyrite from
Wheal Towan (Towan Consols), Porthtowan, St Agnes, Cornwall, England, UK


08676370017654714984160.jpg
Chalcopyrite

Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
05252870017851319722331.jpg
Chalcopyrite, etc.

East Wheal Towan, Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
08676370017654714984160.jpg
Chalcopyrite

Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
02638280017841939326074.jpg
Chalcopyrite, etc.

East Wheal Towan, Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
08676370017654714984160.jpg
Chalcopyrite

Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
02638280017841939326074.jpg
Chalcopyrite, etc.

East Wheal Towan, Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Wheal Towan (Towan Consols), Porthtowan, St Agnes, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:3188
Long-form Identifier:1:3:3188:2
GUID (UUID V4):0
Localities for Chalcopyrite in this Region
East Wheal Towan, Wheal Towan (Towan Consols), Porthtowan, St Agnes, Cornwall, England, UK
Nearest other occurrences of Chalcopyrite
0.5km (0.3 miles) ⓘEast Wheal Towan, Wheal Towan (Towan Consols), Porthtowan, St Agnes, Cornwall, England, UK
0.9km (0.5 miles) ⓘSouth Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
0.9km (0.6 miles) ⓘWheal Charlotte (Great Wheal Charlotte), Porthtowan, St Agnes, Cornwall, England, UK
1.0km (0.6 miles) ⓘNew Wheal Towan (Wheal Fox), Wheal Clarence (Nancekuke Mine; incl. New Dolcoath Mine), Porthtowan, St Agnes, Cornwall, England, UK
1.0km (0.6 miles) ⓘTywarnhayle Mine (Wheal Rock), Porthtowan, St Agnes, Cornwall, England, UK
1.1km (0.7 miles) ⓘWheal Fancy, East Tywarnhayle Mine, Porthtowan, St Agnes, Cornwall, England, UK
1.2km (0.7 miles) ⓘWheal Vincent, Wheal Lushington (West Wheal Towan), Porthtowan, St Agnes, Cornwall, England, UK
1.2km (0.7 miles) ⓘLushington Cove, Porthtowan, St Agnes, Cornwall, England, UK
1.2km (0.7 miles) ⓘWheal Charles (South Wheal Grambler), Tywarnhayle Mine (Wheal Rock), Porthtowan, St Agnes, Cornwall, England, UK
1.3km (0.8 miles) ⓘEast Wheal Charlotte, St Agnes, Cornwall, England, UK
References
Dana 6:A2:27
Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.)
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.
 
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