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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Chalcocite from
Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, 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 Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:690645
Long-form Identifier:1:3:690645:0
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.9km (0.6 miles) ⓘGunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
2.1km (1.3 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
3.1km (1.9 miles) ⓘHarewood Consols, Harewood, Calstock, Cornwall, England, UK
3.4km (2.1 miles) ⓘPrince of Wales Mine (Wheal Pleasant), Harrowbarrow & Prince of Wales Mines (Calstock United Tin and Copper Mines), Calstock, Cornwall, England, UK
3.4km (2.1 miles) ⓘNew East Wheal Russell (South Wheal Crebor), Gulworthy, West Devon, Devon, England, UK
16.2km (10.1 miles) ⓘSouth Caradon Mine, Caradon Hill, St Cleer, Cornwall, England, UK
16.4km (10.2 miles) ⓘWheal Phoenix, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
16.6km (10.3 miles) ⓘGonamena Mine, St Cleer, Cornwall, England, UK
16.8km (10.5 miles) ⓘWest Caradon Mine, Crow's Nest, St Cleer, Cornwall, England, UK
17.1km (10.6 miles) ⓘNew West Caradon Mine, West Caradon Mine, Crow's Nest, St Cleer, Cornwall, England, UK
References
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
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.
 
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