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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Cornubite from
Wheal Muttrall, Wheal Gorland, St Day, Cornwall, England, UK


Locality type:Mine
Classification
Species:Cornubite
Formula:Cu5(AsO4)2(OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cornubite data
Locality Data:Click here to view Wheal Muttrall, Wheal Gorland, St Day, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:3958
Long-form Identifier:1:3:3958:1
GUID (UUID V4):0
Nearest other occurrences of Cornubite
0.2km (0.1 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
0.7km (0.5 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
2.2km (1.4 miles) ⓘUnited Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
16.1km (10.0 miles) ⓘWheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
19.9km (12.3 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
20.2km (12.6 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
37.6km (23.3 miles) ⓘWheal Cock, Botallack Mine, Botallack, St Just, Cornwall, England, UK
37.6km (23.3 miles) ⓘBotallack Mine, Botallack, St Just, Cornwall, England, UK
60.9km (37.8 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
75.1km (46.7 miles) ⓘWheal Maria, Devon Great Consols, Gulworthy, West Devon, Devon, England, UK
References
Anthony, John W., Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. - Eds. (2016) Handbook of Mineralogy. https://www.handbookofmineralogy.org/
 
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