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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Tennantite Subgroup from
Wheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK


Locality type:Mine
Classification
Species:'Tennantite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)As4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tennantite Subgroup data
Locality Data:Click here to view Wheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:907287
Long-form Identifier:1:3:907287:9
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
0.7km (0.4 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
1.4km (0.9 miles) ⓘBasset Mines, Carnkie, Carn Brea, Cornwall, England, UK
1.5km (1.0 miles) ⓘTincroft Mine, Pool, Carn Brea, Cornwall, England, UK
1.9km (1.2 miles) ⓘCook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
1.9km (1.2 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
2.4km (1.5 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
2.9km (1.8 miles) ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
3.0km (1.8 miles) ⓘGreat Condurrow Mine, Beacon, Camborne, Cornwall, England, UK
3.0km (1.8 miles) ⓘGrenville United Mines, Troon, Camborne, Cornwall, England, UK
4.1km (2.5 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
References
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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