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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Cassiterite from
North Wheal Crofty, Pool, Carn Brea, Cornwall, England, UK


Locality type:Mine
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view North Wheal Crofty, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:673191
Long-form Identifier:1:3:673191:5
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
0.4km (0.2 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
0.5km (0.3 miles) ⓘNew Cook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
0.6km (0.4 miles) ⓘEast Wheal Seton, Tolvaddon, Illogan, Cornwall, England, UK
0.7km (0.5 miles) ⓘCook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
0.8km (0.5 miles) ⓘTincroft Mine, Pool, Carn Brea, Cornwall, England, UK
0.9km (0.5 miles) ⓘWheal Seton, North Roskear, Camborne, Cornwall, England, UK
0.9km (0.5 miles) ⓘNew Roskear Shaft, Dolcoath Mine, Camborne, Cornwall, England, UK
0.9km (0.6 miles) ⓘEast Pool Mine, Pool, Carn Brea, Cornwall, England, UK
1.0km (0.6 miles) ⓘSouth Roskear Mine, South Roskear group (Pendarves Consols), Camborne, Cornwall, England, UK
1.0km (0.6 miles) ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
References
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.288-290
 
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