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
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
Associated Minerals Based on Photo Data:
Chalcopyrite2
- var Blistered Copper1
Data
Mineral Data:Click here to view Tennantite Subgroup data
Locality Data:Click here to view Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:10834
Long-form Identifier:1:3:10834:8
GUID (UUID V4):0
Localities for Tennantite Subgroup in this Region
Wheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
Nearest other occurrences of Tennantite Subgroup
0.7km (0.4 miles) ⓘWheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
0.9km (0.5 miles) ⓘTincroft Mine, Pool, Carn Brea, Cornwall, England, UK
1.2km (0.8 miles) ⓘCook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
1.3km (0.8 miles) ⓘBasset Mines, Carnkie, Carn Brea, Cornwall, England, UK
1.7km (1.1 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
2.2km (1.3 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
2.3km (1.4 miles) ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
2.4km (1.5 miles) ⓘGreat Condurrow Mine, Beacon, Camborne, Cornwall, England, UK
2.5km (1.5 miles) ⓘGrenville United Mines, Troon, Camborne, Cornwall, England, UK
4.6km (2.8 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
References
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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