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
Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Habit:Massive
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals:
Associates:Galena
Malachite
Quartz
Sphalerite
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:37716
Long-form Identifier:1:3:37716:0
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.9km (1.2 miles) ⓘHafan Mine (Canninog Mine; Bwlch Canninog Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
2.4km (1.5 miles) ⓘLlawr-y-cwm-bach Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
2.5km (1.5 miles) ⓘLlechwedd Ddu Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
2.8km (1.8 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
2.9km (1.8 miles) ⓘBlaenceulan Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.0km (1.9 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.3km (2.0 miles) ⓘCefn-gwyn Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
3.3km (2.0 miles) ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
3.6km (2.2 miles) ⓘBryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
3.9km (2.4 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
References
Rust, S. A. (1996) Susannite and Caledonite in Situ in Central Wales. UK Journal of Mines and Minerals 17, 18
 
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