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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Chrysocolla from
Wheal Trefusis (incl. East Wheal Trefusis), Redruth, Cornwall, England, UK


Locality type:Mine
Classification
Species:Chrysocolla
Formula:Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chrysocolla data
Locality Data:Click here to view Wheal Trefusis (incl. East Wheal Trefusis), Redruth, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:548104
Long-form Identifier:1:3:548104:0
GUID (UUID V4):0
Nearest other occurrences of Chrysocolla
0.9km (0.6 miles) ⓘCopper Hill Mine, Redruth, Cornwall, England, UK
1.1km (0.7 miles) ⓘPenstruthal Mine (Bestruthal Mine; incl. North & South Penstruthal Mines), Lanner, Cornwall, England, UK
1.8km (1.1 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
2.2km (1.3 miles) ⓘTing Tang Mine, Carharrack, Cornwall, England, UK
2.6km (1.6 miles) ⓘWheal Moyle, Gwennap, Cornwall, England, UK
2.8km (1.7 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
3.0km (1.9 miles) ⓘWheal Muttrall, Wheal Gorland, St Day, Cornwall, England, UK
3.1km (1.9 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
3.3km (2.1 miles) ⓘCarharrack Mine, Gwennap, Cornwall, England, UK
3.6km (2.2 miles) ⓘWest Wheal Virgin, Great Consolidated Mines, Clifford Amalgamated Mines, 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.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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