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
Basset Mines, Carnkie, 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 Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:187235
Long-form Identifier:1:3:187235:4
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
1.2km (0.8 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
1.3km (0.8 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
1.4km (0.9 miles) ⓘWheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
1.6km (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) ⓘGrenville United Mines, Troon, Camborne, Cornwall, England, UK
2.2km (1.4 miles) ⓘGreat Condurrow Mine, Beacon, Camborne, Cornwall, England, UK
2.3km (1.4 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
3.1km (1.9 miles) ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
3.9km (2.4 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
References
Lapis 11(2), 18 (1986)
 
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