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 Friendship, Mary Tavy, West Devon, Devon, England, UK


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Wheal Friendship, Mary Tavy, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:15511
Long-form Identifier:1:3:15511:5
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.4km (0.9 miles) ⓘNorth Mine (East Wheal Friendship), Devon United Mines, Peter Tavy, West Devon, Devon, England, UK
2.1km (1.3 miles) ⓘWheal Betsy (North Wheal Friendship; Prince Arthur Consols), Mary Tavy, West Devon, Devon, England, UK
2.3km (1.4 miles) ⓘWest Wheal Friendship, Mary Tavy, West Devon, Devon, England, UK
6.0km (3.7 miles) ⓘWeek Mine, Milton Abbot, West Devon, Devon, England, UK
7.9km (4.9 miles) ⓘCrowndale Mine, Tavistock, West Devon, Devon, England, UK
8.4km (5.2 miles) ⓘTavistock Canal Tunnel, Gulworthy, West Devon, Devon, England, UK
8.4km (5.2 miles) ⓘDevon and Courtenay Consols, Whitchurch, West Devon, Devon, England, UK
8.7km (5.4 miles) ⓘWheal Grace, Collacombe Mine (Collacombe Down Mine), Lamerton, West Devon, Devon, England, UK
9.0km (5.6 miles) ⓘNew East Wheal Russell (South Wheal Crebor), Gulworthy, West Devon, Devon, England, UK
9.1km (5.6 miles) ⓘWillsworthy Mine, Sampford Spiney, West Devon, Devon, England, UK
References
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
Smyth, Warington W.; Reeks, Trenham; Rudler, F. W. (1864) A Catalogue of the Mineral Collections in the Museum of Practical Geology. Museum of Practical Geology.
 
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