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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Arsenopyrite from
Trebarwith Quarry, Trebarwith, Tintagel, Cornwall, England, UK


Locality type:Quarry
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Trebarwith Quarry, Trebarwith, Tintagel, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:990
Long-form Identifier:1:3:990:4
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
2.5km (1.5 miles) ⓘBackways Cove, Trebarwith, Tintagel, Cornwall, England, UK
2.8km (1.7 miles) ⓘTregardock Mine (Tregarget Mine), Treligga, St Teath, Cornwall, England, UK
5.2km (3.3 miles) ⓘBarrett 's Zawn, St Teath, Cornwall, England, UK
5.7km (3.5 miles) ⓘOld Treburgett Mine, St Teath, Cornwall, England, UK
5.9km (3.7 miles) ⓘBounds Cliff, St Endellion, Cornwall, England, UK
7.0km (4.3 miles) ⓘTreore Mine, St Endellion, Cornwall, England, UK
7.1km (4.4 miles) ⓘTresungers Point (incl. Tartar Cove), St Endellion, Cornwall, England, UK
8.0km (4.9 miles) ⓘGreat Onslow Consols (Great Michell Consols), St Breward, Cornwall, England, UK
16.5km (10.3 miles) ⓘPenbugle and Lancarffe Consols, Helland, Cornwall, England, UK
17.6km (10.9 miles) ⓘTreburland Mine, Altarnun, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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