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
Benallt Mine, Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Benallt Mine, Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:280987
Long-form Identifier:1:3:280987:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.7km (0.4 miles) ⓘSimdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
0.9km (0.6 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
6.1km (3.8 miles) ⓘCwm-y-Llan slate mine, Betws Garmon, Gwynedd, Wales, UK
7.1km (4.4 miles) ⓘMoel Hebog, Beddgelert, Gwynedd, Wales, UK
8.1km (5.0 miles) ⓘBritannia Mine, Beddgelert, Gwynedd, Wales, UK
8.6km (5.3 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
8.8km (5.4 miles) ⓘHafod y Llan workings, Beddgelert, Gwynedd, Wales, UK
9.6km (5.9 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
17.0km (10.6 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
26.0km (16.2 miles) ⓘParc Mine, Trefriw, Conwy, Wales, UK
References
Ref: THe Old Copper Mines of Snowdonia, David Bick, 3rd Edition 2003.
 
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