Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Chalcocite from
Gernick Mine (West Wheal Grenville; incl. South Gernick Mine [Wheal Top]), Trevoole, Crowan, Cornwall, England, UK


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Gernick Mine (West Wheal Grenville; incl. South Gernick Mine [Wheal Top]), Trevoole, Crowan, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:624150
Long-form Identifier:1:3:624150:6
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
2.1km (1.3 miles) ⓘWheal Pendarves, Killivose, Camborne, Cornwall, England, UK
2.7km (1.7 miles) ⓘOatfield Mine, Crenver and Oatfield Mine, Crenver & Wheal Abraham (Abraham Consols; incl. Great Drym Consols), Crowan, Cornwall, England, UK
2.7km (1.7 miles) ⓘSouth Tolcarne Mine, Beacon, Camborne, Cornwall, England, UK
2.7km (1.7 miles) ⓘCrenver Mine (Wheal Crenver), Crenver and Oatfield Mine, Crenver & Wheal Abraham (Abraham Consols; incl. Great Drym Consols), Crowan, Cornwall, England, UK
2.8km (1.7 miles) ⓘTolcarne Mine, Beacon, Camborne, Cornwall, England, UK
2.9km (1.8 miles) ⓘCrenver & Wheal Abraham (Abraham Consols; incl. Great Drym Consols), Crowan, Cornwall, England, UK
2.9km (1.8 miles) ⓘWheal Abraham, Crenver & Wheal Abraham (Abraham Consols; incl. Great Drym Consols), Crowan, Cornwall, England, UK
3.1km (1.9 miles) ⓘTrevascus Mine (Trevaskus Mine; Trevaskis Mine), Carnhell Green, Gwinear-Gwithian, Cornwall, England, UK
3.4km (2.1 miles) ⓘCamborne Vean Mine (incl. New Dolcoath Mine), Camborne, Cornwall, England, UK
3.5km (2.2 miles) ⓘBinner Downs Mine, Leedstown, Crowan, 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.
 
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