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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Bournonite from
Greystone Quarry, Lezant, Cornwall, England, UK


Locality type:Quarry
Classification
Species:Bournonite
Formula:PbCuSbS3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bournonite data
Locality Data:Click here to view Greystone Quarry, Lezant, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:2285
Long-form Identifier:1:3:2285:9
GUID (UUID V4):0
Nearest other occurrences of Bournonite
25.5km (15.9 miles) ⓘHerodsfoot Mine (North Herodsfoot Mine), Lanreath, Cornwall, England, UK
31.5km (19.5 miles) ⓘPengenna Mine, St Kew, Cornwall, England, UK
32.3km (20.1 miles) ⓘTregardock Mine (Tregarget Mine), Treligga, St Teath, Cornwall, England, UK
33.5km (20.8 miles) ⓘBarrett 's Zawn, St Teath, Cornwall, England, UK
34.0km (21.1 miles) ⓘBounds Cliff, St Endellion, Cornwall, England, UK
34.3km (21.3 miles) ⓘTreore Mine, St Endellion, Cornwall, England, UK
35.4km (22.0 miles) ⓘEmily Mine (Wheal Emily), Wembury, South Hams, Devon, England, UK
35.7km (22.2 miles) ⓘWheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Cornwall, England, UK
35.8km (22.2 miles) ⓘTresungers Mine (Rose Mine; Wheal Arthur), Port Isaac, St Endellion, Cornwall, England, UK
45.5km (28.3 miles) ⓘCredis Mine (Cridis Mine; Criddis Mine), Padstow, Cornwall, England, UK
References
Weiß, Stefan; Hooper, Jeremy; Elton, Nick; Green, David I. (2001) Seltene Mineralien aus dem Greystone Quarry, Cornwall/GB [Rare minerals from the Greystone Quarry, Cornwall/UK]. Lapis, 26 (4). 19-33; 50
 
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