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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Chalcopyrite from
Poldice Mine, St Day United Mines (Poldice Mines), Gwennap, Cornwall, England, UK


09064430017363410632374.jpg
Chalcopyrite, etc.

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
02618080017271997765167.jpg
Chalcopyrite

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
03223610017271997771940.jpg
Chalcopyrite, etc.

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
09064430017363410632374.jpg
Chalcopyrite, etc.

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
02618080017271997765167.jpg
Chalcopyrite

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
03223610017271997771940.jpg
Chalcopyrite, etc.

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
09064430017363410632374.jpg
Chalcopyrite, etc.

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
02618080017271997765167.jpg
Chalcopyrite

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
03223610017271997771940.jpg
Chalcopyrite, etc.

Poldice Mine, St Day United Mines, Gwennap, Cornwall, England, UK
Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cassiterite17
Arsenopyrite15
Quartz8
Galena2
Sphalerite1
Gypsum1
Wolframite Group1
Tourmaline1
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Poldice Mine, St Day United Mines (Poldice Mines), Gwennap, Cornwall, England, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:3277
Long-form Identifier:1:3:3277:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.6km (0.4 miles) ⓘWheal Maid, Gwennap, Cornwall, England, UK
0.7km (0.4 miles) ⓘEast Wheal Virgin, Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
0.7km (0.4 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
0.7km (0.5 miles) ⓘEast Wheal Maid, Gwennap, Cornwall, England, UK
0.7km (0.5 miles) ⓘGreat Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
0.8km (0.5 miles) ⓘCreegbrawse and Penkevil Mine, Creegbrawse, Chacewater, Cornwall, England, UK
0.8km (0.5 miles) ⓘWheal Virgin, Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
1.0km (0.6 miles) ⓘWheal Lovelace, Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
1.0km (0.7 miles) ⓘCarharrack Mine, Gwennap, Cornwall, England, UK
1.1km (0.7 miles) ⓘWheal Jewel, Gwennap, Cornwall, England, UK
References
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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