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
Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK


08048600017272034601222.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
03818600017272024402893.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
05002650017272024416294.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
08048600017272034601222.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
03818600017272024402893.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
09846910017363510184039.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
08048600017272034601222.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
03818600017272024402893.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
05002650017272024416294.jpg
Chalcopyrite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
Locality type:Open-Cast Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Comments:Xls to 5mm
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Ankerite36
Quartz21
Calcite2
Dolomite2
- var Iron-bearing Dolomite2
Siderite2
Galena1
Millerite1
Siegenite1
Sphalerite1
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:39205
Long-form Identifier:1:3:39205:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
19.2km (12.0 miles) ⓘInternational Colliery, Blaengarw, Bridgend, Wales, UK
21.8km (13.5 miles) ⓘWyndham Colliery, Nant-y-moel, Bridgend, Wales, UK
22.9km (14.2 miles) ⓘGelli Colliery (Globe), Gelli, Rhondda Cynon Taf, Wales, UK
24.1km (14.9 miles) ⓘFerndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda Cynon Taf, Wales, UK
30.4km (18.9 miles) ⓘAbercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda Cynon Taf, Wales, UK
30.5km (19.0 miles) ⓘDeep Navigation Colliery, Treharris, Merthyr Tydfil, Wales, UK
33.0km (20.5 miles) ⓘBedwellty Pits, Tredegar, Blaenau Gwent, Wales, UK
33.4km (20.8 miles) ⓘNantymwyn Mine (Cerrigmeyn Mine), Rhandirmwyn, Llandovery, Carmarthenshire, Wales, UK
33.6km (20.9 miles) ⓘLlanilid West Opencast Coalmine, Llanharan, Rhondda Cynon Taf, Wales, UK
33.9km (21.0 miles) ⓘMallaen Mountain, Cilycwm, Carmarthenshire, Wales, UK
References
 
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