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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Orthoclase from
Croft Gothal Mine, St Hilary, Cornwall, England, UK


Locality type:Mine
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Croft Gothal Mine, St Hilary, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:40677
Long-form Identifier:1:3:40677:2
GUID (UUID V4):0
Nearest other occurrences of Orthoclase
2.1km (1.3 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
5.1km (3.2 miles) ⓘTrewavas Head, Rinsey, Breage, Cornwall, England, UK
5.5km (3.4 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
5.6km (3.5 miles) ⓘMegiliggar Rocks (Tremearne pegmatite), Breage, Cornwall, England, UK
6.0km (3.7 miles) ⓘGreat Wheal Fortune, Breage, Cornwall, England, UK
7.5km (4.6 miles) ⓘTrencrom Hill, Trencrom, Ludgvan, Cornwall, England, UK
9.1km (5.6 miles) ⓘCastle-an-Dinas Quarry, Higher Trenowin, Ludgvan, Cornwall, England, UK
9.6km (5.9 miles) ⓘKnill Quarry, St Ives, Cornwall, England, UK
10.0km (6.2 miles) ⓘWherry Mine, Wherrytown, Penzance, Cornwall, England, UK
11.6km (7.2 miles) ⓘCarrack Dews Mine (Carrick Du Mine), St Ives, Cornwall, England, UK
References
 
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