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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Quartz from
Kit Hill Wheal Mary (Wheal Tonkin), Wheal Florence (Mary and Florence Consols; Florence and Tonkin United Mine), Callington Consols, Callington, Cornwall, England, UK


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Kit Hill Wheal Mary (Wheal Tonkin), Wheal Florence (Mary and Florence Consols; Florence and Tonkin United Mine), Callington Consols, Callington, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:787498
Long-form Identifier:1:3:787498:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.3km (0.2 miles) ⓘLady Ashburton Mine, Callington Consols, Callington, Cornwall, England, UK
0.4km (0.2 miles) ⓘWheal Florence (Mary and Florence Consols; Florence and Tonkin United Mine), Callington Consols, Callington, Cornwall, England, UK
0.7km (0.4 miles) ⓘSouth Kit Hill Mine (Cornwall Great Consols), Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK
1.0km (0.6 miles) ⓘKit Hill Mine (Kit Hill Consols), Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK
1.2km (0.7 miles) ⓘKelly Bray Mine, Callington United Mines (incl. Emmens United Mines), Stokeclimsland, Cornwall, England, UK
1.3km (0.8 miles) ⓘSilver Hill Mine (Silverhill Mine), Callington, Cornwall, England, UK
1.3km (0.8 miles) ⓘRedmoor Mine (East Cornwall United Mines), Callington United Mines (incl. Emmens United Mines), Stokeclimsland, Cornwall, England, UK
1.6km (1.0 miles) ⓘEast Holmbush mine, Callington United Mines (incl. Emmens United Mines), Stokeclimsland, Cornwall, England, UK
1.6km (1.0 miles) ⓘSilver Valley Mine (William and Mary Worth Mine; incl. Ashburton Mine), Sevenstones, Calstock, Cornwall, England, UK
1.9km (1.2 miles) ⓘHolmbush Mine, Callington United Mines (incl. Emmens United Mines), Stokeclimsland, Cornwall, England, UK
References
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 2. Geological Survey of Great Britain.pp.630-631
 
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