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
South Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK


04695220017272351771055.jpg
Chalcocite, etc.

South Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
04695220017272351771055.jpg
Chalcocite, etc.

South Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
04695220017272351771055.jpg
Chalcocite, etc.

South Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Torbernite2
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view South Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:209342
Long-form Identifier:1:3:209342:0
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.4km (0.3 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
0.6km (0.4 miles) ⓘEast Wheal Basset, Redruth, Cornwall, England, UK
0.7km (0.5 miles) ⓘWest Basset Stamps (Wheal Haste), Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
0.8km (0.5 miles) ⓘWheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
0.9km (0.5 miles) ⓘCopper Hill Mine, Redruth, Cornwall, England, UK
1.3km (0.8 miles) ⓘSouth Carn Brea Mine, Carnkie, Carn Brea, Cornwall, England, UK
1.3km (0.8 miles) ⓘPenstruthal Mine (Bestruthal Mine; incl. North & South Penstruthal Mines), Lanner, Cornwall, England, UK
1.6km (1.0 miles) ⓘNorth Wheal Frances (incl. Foxhole Mine), Bosleake, Carn Brea, Cornwall, England, UK
1.6km (1.0 miles) ⓘWheal Beauchamp, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
1.9km (1.2 miles) ⓘWheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
References
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.
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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