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
Trewethen Mine, St Kew, 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 Trewethen Mine, St Kew, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:47036
Long-form Identifier:1:3:47036:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.2km (0.7 miles) ⓘOld Treburgett Mine, St Teath, Cornwall, England, UK
1.5km (0.9 miles) ⓘTreburgett Mine, St Teath, Cornwall, England, UK
3.1km (1.9 miles) ⓘPendogget Mine, St Kew, Cornwall, England, UK
3.1km (2.0 miles) ⓘTreore Mine, St Endellion, Cornwall, England, UK
3.5km (2.2 miles) ⓘPoltreworgey Mine, St Endellion, Cornwall, England, UK
3.6km (2.2 miles) ⓘBounds Cliff, St Endellion, Cornwall, England, UK
4.1km (2.5 miles) ⓘBodannon Mine, Trewetha, St Endellion, Cornwall, England, UK
4.2km (2.6 miles) ⓘTrevinnick Mine, St Kew, Cornwall, England, UK
4.4km (2.8 miles) ⓘTresungers Mine (Rose Mine; Wheal Arthur), Port Isaac, St Endellion, Cornwall, England, UK
4.4km (2.8 miles) ⓘWheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Cornwall, England, UK
References
 
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