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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Goethite from
Tincroft Mine, Pool, Carn Brea, Cornwall, England, UK


Locality type:Mine
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Tincroft Mine, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:5655
Long-form Identifier:1:3:5655:7
GUID (UUID V4):0
Nearest other occurrences of Goethite
0.5km (0.3 miles) ⓘNew Cook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
0.8km (0.5 miles) ⓘNorth Wheal Crofty, Pool, Carn Brea, Cornwall, England, UK
0.9km (0.5 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
1.5km (1.0 miles) ⓘWheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
1.7km (1.0 miles) ⓘStray Park Mine, Camborne, Cornwall, England, UK
2.1km (1.3 miles) ⓘCamborne Vean Mine (incl. New Dolcoath Mine), Camborne, Cornwall, England, UK
2.4km (1.5 miles) ⓘSouth Condurrow Mine (Marshall's Shaft), Grenville United Mines, Troon, Camborne, Cornwall, England, UK
2.4km (1.5 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
2.5km (1.6 miles) ⓘTryphena Mine, Beacon, Camborne, Cornwall, England, UK
2.6km (1.6 miles) ⓘWheal Uny, Redruth, Cornwall, England, UK
References
Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.)
Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro.
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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