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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Atacamite from
Penberthy Croft Mine, St Hilary, Cornwall, England, UK


Locality type:Mine
Classification
Species:Atacamite
Formula:Cu2(OH)3Cl
Comments:Kingsbury Collection at the NHM. May be fraudulent.
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Atacamite data
Locality Data:Click here to view Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:401444
Long-form Identifier:1:3:401444:7
GUID (UUID V4):0
Nearest other occurrences of Atacamite
18.0km (11.2 miles) ⓘHanging Wall Vein, Geevor Mine, Pendeen, St Just, Cornwall, England, UK
18.1km (11.2 miles) ⓘCarnyorth Mine (Nineveh Mine), Botallack Mine, Botallack, St Just, Cornwall, England, UK
18.7km (11.6 miles) ⓘLevant Mine, Trewellard, St Just, Cornwall, England, UK
18.9km (11.7 miles) ⓘWheal Owles, Botallack, St Just, Cornwall, England, UK
19.0km (11.8 miles) ⓘBotallack Mine, Botallack, St Just, Cornwall, England, UK
19.1km (11.9 miles) ⓘWheal Cock, Botallack Mine, Botallack, St Just, Cornwall, England, UK
19.3km (12.0 miles) ⓘLoe Warren Zawn, Botallack, St Just, Cornwall, England, UK
20.4km (12.7 miles) ⓘLushington Cove, Porthtowan, St Agnes, Cornwall, England, UK
24.5km (15.2 miles) ⓘNewporth Beach, Falmouth, Cornwall, England, UK
27.2km (16.9 miles) ⓘWheal Prudence, St Agnes, Cornwall, England, UK
References
Kingsbury, Arthur W. G., Hartley, J. (1956) Atacamite from Cumberland and Cornwall. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (235) 349-350 doi:10.1180/minmag.1956.031.235.14
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 29
 
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