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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Quartz from
New Roskear Shaft, Dolcoath Mine, Camborne, Cornwall, England, UK


Locality type:Shaft
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view New Roskear Shaft, Dolcoath Mine, Camborne, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:566251
Long-form Identifier:1:3:566251:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.1km (0.1 miles) ⓘSouth Roskear Mine, South Roskear group (Pendarves Consols), Camborne, Cornwall, England, UK
0.1km (0.1 miles) ⓘNorth Roskear, Camborne, Cornwall, England, UK
0.3km (0.2 miles) ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
0.5km (0.3 miles) ⓘWheal Crofty (Old Wheal Crofty; incl. Wheal Knight; Wheal Vernon), North Roskear, Camborne, Cornwall, England, UK
0.6km (0.4 miles) ⓘWheal Seton, North Roskear, Camborne, Cornwall, England, UK
0.7km (0.4 miles) ⓘLongclose Mine, Pool, Carn Brea, Cornwall, England, UK
0.7km (0.5 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
0.8km (0.5 miles) ⓘWest Wheal Seton, Camborne, Cornwall, England, UK
0.8km (0.5 miles) ⓘNew Wheal Seton, Camborne, Cornwall, England, UK
0.8km (0.5 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, 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.282-284
 
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