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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Calcite from
North Wheal Grambler, Redruth, Cornwall, England, UK


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view North Wheal Grambler, Redruth, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:787017
Long-form Identifier:1:3:787017:0
GUID (UUID V4):0
Nearest other occurrences of Calcite
1.8km (1.1 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
2.9km (1.8 miles) ⓘWheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
3.6km (2.2 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
5.5km (3.4 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
6.0km (3.7 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
6.3km (3.9 miles) ⓘSouth Roskear Mine, South Roskear group (Pendarves Consols), Camborne, Cornwall, England, UK
7.2km (4.5 miles) ⓘSouth Tolcarne Mine, Beacon, Camborne, Cornwall, England, UK
8.3km (5.2 miles) ⓘChywoon Quarry, Mabe, Cornwall, England, UK
11.7km (7.3 miles) ⓘNew Rosewarne Mine, Rosewarne United Mines, Gwinear-Gwithian, Cornwall, England, UK
11.9km (7.4 miles) ⓘGarras Mine (Gwarnick Mine; Guarneck Mine), Shortlanesend, Kenwyn, 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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