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
Machen quarry, Machen, Caerphilly, Wales, UK


Locality type:Quarry
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Aurichalcite3
Baryte3
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Machen quarry, Machen, Caerphilly, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:35118
Long-form Identifier:1:3:35118:0
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
8.1km (5.0 miles) ⓘLlanbradach Colliery, Llanbradach, Caerphilly, Wales, UK
11.6km (7.2 miles) ⓘUniversal Colliery, Senghenydd, Caerphilly, Wales, UK
12.6km (7.9 miles) ⓘTaff's Well Quarry, Pentyrch, Cardiff, Wales, UK
14.0km (8.7 miles) ⓘMarkham Colliery, Markham, Caerphilly, Wales, UK
15.1km (9.4 miles) ⓘDeep Navigation Colliery, Treharris, Merthyr Tydfil, Wales, UK
15.5km (9.6 miles) ⓘAbercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda Cynon Taf, Wales, UK
15.6km (9.7 miles) ⓘMarine Colliery, Cwm, Blaenau Gwent, Wales, UK
15.7km (9.7 miles) ⓘCregiau Quarry, Pentyrch, Cardiff, Wales, UK
18.0km (11.2 miles) ⓘBedwellty Pits, Tredegar, Blaenau Gwent, Wales, UK
18.3km (11.3 miles) ⓘMwyndy Mine, Llantrisant, Rhondda Cynon Taf, Wales, UK
References
Plant, S.P., Jones, I.E. (1996) Minerals of Machen quarry, Mid Glamorgan, Wales. Journal of the Russell Society, 6 (1) 31-36
 
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