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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Arsenopyrite from
Caegwernog Mine, Llanelltyd, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Caegwernog Mine, Llanelltyd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:256349
Long-form Identifier:1:3:256349:7
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
3.8km (2.4 miles) ⓘDolfrwnog Mine (incl. Turf Copper Mine), Ganllwyd, Gwynedd, Wales, UK
4.6km (2.9 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
5.0km (3.1 miles) ⓘTyddyn Gwladys Mine, Ganllwyd, Gwynedd, Wales, UK
5.9km (3.6 miles) ⓘVigra Mine, Llanelltyd, Gwynedd, Wales, UK
6.3km (3.9 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
16.0km (10.0 miles) ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
16.5km (10.2 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
28.3km (17.6 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
35.3km (21.9 miles) ⓘSimdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
35.4km (22.0 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
References
 
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