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
Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK


03416710017364874993725.jpg
Chalcopyrite

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
01212120017272017379190.jpg
Chalcopyrite, etc.

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
02158070017272017391818.jpg
Chalcopyrite

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
09420890017272035645031.jpg
Chalcopyrite

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
01212120017272017379190.jpg
Chalcopyrite, etc.

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
02158070017272017391818.jpg
Chalcopyrite

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
09420890017272035645031.jpg
Chalcopyrite

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
01212120017272017379190.jpg
Chalcopyrite, etc.

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
02158070017272017391818.jpg
Chalcopyrite

Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Comments:Minor ore mineral, xls to 7mm but vert rare
Habit:Sphenoidal crystals
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Optical Analysis
Associated Minerals Based on Photo Data:
Redgillite1
Linarite1
Covellite1
Unnamed (Cu-Pb Sulfate)1
Quartz1
Caledonite1
Dolomite1
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:15432
Long-form Identifier:1:3:15432:9
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.9km (1.2 miles) ⓘBlaenceulan Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
2.1km (1.3 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
2.5km (1.6 miles) ⓘCamdwrbach Mine (Cambrian South Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.0km (1.9 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.4km (2.1 miles) ⓘHafan Mine (Canninog Mine; Bwlch Canninog Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.7km (2.3 miles) ⓘYstrad Einion Mine (Dolgoch Mine), Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
3.7km (2.3 miles) ⓘBryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
4.2km (2.6 miles) ⓘBwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
5.1km (3.2 miles) ⓘHyddgen Mine, Carn Hyddgen, Uwch y Garreg, Powys, Wales, UK
6.4km (4.0 miles) ⓘDolclettwr Mine (Treddol Mine), Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, UK
References
Rust, S. A., Mason, J. S. (1988) The Minerals of Esgair Hir Mine, Bwlch-y-Esgair Hir, Ceulanymaesmawr, Dyfed, Wales . UK Journal of Mines and Minerals 5, 35-43
 
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