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
Vigra 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 Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18717
Long-form Identifier:1:3:18717:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.9km (0.6 miles) ⓘGraigwen Mine (Nant-Goch Mine), Barmouth, Gwynedd, Wales, UK
1.3km (0.8 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
2.1km (1.3 miles) ⓘBryn Castell Mine, Llanelltyd, Gwynedd, Wales, UK
2.5km (1.6 miles) ⓘGarthgell Mine, Llanelltyd, Gwynedd, Wales, UK
4.3km (2.7 miles) ⓘMoel Ispri, Llanelltyd, Gwynedd, Wales, UK
4.5km (2.8 miles) ⓘPanorama Mine (Belle View Mine), Barmouth, Gwynedd, Wales, UK
5.9km (3.7 miles) ⓘDripping Well, Barmouth, Gwynedd, Wales, UK
7.0km (4.3 miles) ⓘCefn Coch Mine (incl. Berthlwyd Mine; New California Mine), Ganllwyd, Gwynedd, Wales, UK
7.0km (4.4 miles) ⓘCae Mawr Mine, Ganllwyd, Gwynedd, Wales, UK
8.3km (5.1 miles) ⓘGlasdir Mine, Brithdir and Llanfachreth, Gwynedd, Wales, UK
References
Smyth, Warington W.; Reeks, Trenham; Rudler, F. W. (1864) A Catalogue of the Mineral Collections in the Museum of Practical Geology. Museum of Practical Geology.
 
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