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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Pyrite from
Machen quarry, Machen, Caerphilly, Wales, UK


Locality type:Quarry
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Machen quarry, Machen, Caerphilly, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:35127
Long-form Identifier:1:3:35127:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
9.5km (5.9 miles) ⓘBlaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
13.0km (8.1 miles) ⓘBargoed Colliery, Bargoed, Caerphilly, Wales, UK
13.2km (8.2 miles) ⓘTon Mawr Quarry, Pentyrch, Cardiff, Wales, UK
15.1km (9.4 miles) ⓘGoldcliff, Newport, Wales, UK
15.6km (9.7 miles) ⓘMarine Colliery, Cwm, Blaenau Gwent, Wales, UK
17.8km (11.0 miles) ⓘRhiwsaeson (Gwern Efa), Llantrisant, Rhondda Cynon Taf, 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
19.2km (11.9 miles) ⓘHafod Pit (Colliery), Trehafod, Rhondda Cynon Taf, Wales, UK
20.3km (12.6 miles) ⓘTy Trist Colliery, Tredegar, Blaenau Gwent, 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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