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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Chalcopyrite from
Garthgell Mine, Llanelltyd, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Garthgell Mine, Llanelltyd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:478152
Long-form Identifier:1:3:478152:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.6km (1.0 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
1.7km (1.1 miles) ⓘMoel Ispri, Llanelltyd, Gwynedd, Wales, UK
2.5km (1.6 miles) ⓘVigra Mine, Llanelltyd, Gwynedd, Wales, UK
3.4km (2.1 miles) ⓘGraigwen Mine (Nant-Goch Mine), Barmouth, Gwynedd, Wales, UK
4.0km (2.5 miles) ⓘBryn Castell Mine, Llanelltyd, Gwynedd, Wales, UK
4.6km (2.9 miles) ⓘCae Mawr Mine, Ganllwyd, Gwynedd, Wales, UK
4.7km (2.9 miles) ⓘCefn Coch Mine (incl. Berthlwyd Mine; New California Mine), Ganllwyd, Gwynedd, Wales, UK
5.8km (3.6 miles) ⓘGlasdir Mine, Brithdir and Llanfachreth, Gwynedd, Wales, UK
6.9km (4.3 miles) ⓘPanorama Mine (Belle View Mine), Barmouth, Gwynedd, Wales, UK
7.4km (4.6 miles) ⓘDolfrwnog Mine (incl. Turf Copper Mine), Ganllwyd, Gwynedd, Wales, UK
References
Goldmining in Western Merioneth, T. A. Morrison (undated)
 
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