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
Wheal Unity, Gwennap, 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 Wheal Unity, Gwennap, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:3392
Long-form Identifier:1:3:3392:3
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.6km (0.4 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
0.7km (0.4 miles) ⓘWheal Unity Wood (Tolgullow United Mine; West Poldice Mine), Chacewater, Cornwall, England, UK
0.7km (0.5 miles) ⓘWheal Muttrall, Wheal Gorland, St Day, Cornwall, England, UK
0.9km (0.6 miles) ⓘWheal Jewel, Gwennap, Cornwall, England, UK
0.9km (0.6 miles) ⓘCarharrack Mine, Gwennap, Cornwall, England, UK
0.9km (0.6 miles) ⓘWheal Maid Decline, Gwennap, Cornwall, England, UK
1.0km (0.6 miles) ⓘWest Wheal Virgin, Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
1.1km (0.7 miles) ⓘGreat Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
1.1km (0.7 miles) ⓘEast Wheal Damsel, Carharrack, Cornwall, England, UK
1.2km (0.7 miles) ⓘWheal Virgin, Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
References
Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.)
 
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