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


02116180017371877263665.jpg
Sphalerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
02991680017272024589271.jpg
Sphalerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
02116180017371877263665.jpg
Sphalerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
02991680017272024589271.jpg
Sphalerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
02116180017371877263665.jpg
Sphalerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
02991680017272024589271.jpg
Sphalerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
Locality type:Open-Cast Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Siderite2
Chalcopyrite1
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:39282
Long-form Identifier:1:3:39282:2
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
2.4km (1.5 miles) ⓘDyffryn Cellwen coal workings, Onllwyn, Neath Port Talbot, Wales, UK
10.1km (6.3 miles) ⓘGlyn Gwilym Isaf Opencast, Clyne and Melincourt, Neath Port Talbot, Wales, UK
19.2km (12.0 miles) ⓘInternational Colliery, Blaengarw, Bridgend, Wales, UK
21.6km (13.4 miles) ⓘCwmneol Colliery (Morris's pit), Cwmaman, Rhondda Cynon Taf, 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
23.4km (14.5 miles) ⓘCambrian Colliery, Clydach Vale, Rhondda Cynon Taf, Wales, UK
24.1km (14.9 miles) ⓘFerndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda Cynon Taf, Wales, UK
25.3km (15.7 miles) ⓘBritannic Merthyr Colliery, Gilfach Coch, Rhondda Cynon Taf, Wales, UK
25.6km (15.9 miles) ⓘMargam Pit, Margam Moors, Neath Port Talbot, Wales, UK
References
 
and/or  
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