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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Bornite from
Little Duke Mine (North Tavy Mine), Gulworthy, West Devon, Devon, England, UK


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Little Duke Mine (North Tavy Mine), Gulworthy, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:15032
Long-form Identifier:1:3:15032:3
GUID (UUID V4):0
Nearest other occurrences of Bornite
5.6km (3.5 miles) ⓘGunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
6.6km (4.1 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
19.5km (12.1 miles) ⓘMarke Valley Mine, Upton Cross, Linkinhorne, Cornwall, England, UK
19.8km (12.3 miles) ⓘWest Rosedown Mine (The Caradon), Marke Valley Mine, Upton Cross, Linkinhorne, Cornwall, England, UK
20.1km (12.5 miles) ⓘSouth Caradon Mine, Caradon Hill, St Cleer, Cornwall, England, UK
21.1km (13.1 miles) ⓘCraddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
24.3km (15.1 miles) ⓘMeldon Mine, Okehampton Hamlets, West Devon, Devon, England, UK
24.5km (15.2 miles) ⓘBrookwood Mine, West Buckfastleigh, Teignbridge, Devon, England, UK
24.7km (15.4 miles) ⓘWheal Emma, West Buckfastleigh, Teignbridge, Devon, England, UK
41.0km (25.5 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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