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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Chalcocite from
Wheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Wheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:3399
Long-form Identifier:1:3:3399:2
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.5km (0.3 miles) ⓘCopper Hill Mine, Redruth, Cornwall, England, UK
0.6km (0.4 miles) ⓘPenstruthal Mine (Bestruthal Mine; incl. North & South Penstruthal Mines), Lanner, Cornwall, England, UK
0.7km (0.5 miles) ⓘEast Wheal Basset, Redruth, Cornwall, England, UK
0.8km (0.5 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
0.8km (0.5 miles) ⓘWheal Beauchamp, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
1.0km (0.6 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
1.2km (0.8 miles) ⓘWest Basset Stamps (Wheal Haste), Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
1.5km (1.0 miles) ⓘSouth Carn Brea Mine, Carnkie, Carn Brea, Cornwall, England, UK
1.9km (1.2 miles) ⓘTrethellan Mine, Tresavean Mine, Lanner, Lanner, Cornwall, England, UK
2.0km (1.2 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, 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
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
Hill, J. B., MacAlister, D. A. (1906) The Geology of Falmouth and Truro and of the Mining District of Camborne and Redruth - Memoirs of the Geological Survey. Geological Survey of Great Britain.
 
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