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
Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK


02782560017361189561232.jpg
Arsenopyrite

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
02782560017361189561232.jpg
Arsenopyrite

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
02782560017361189561232.jpg
Arsenopyrite

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:157377
Long-form Identifier:1:3:157377:0
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
12.1km (7.5 miles) ⓘTyddyn Gwladys Mine, Ganllwyd, Gwynedd, Wales, UK
12.4km (7.7 miles) ⓘDolfrwnog Mine (incl. Turf Copper Mine), Ganllwyd, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
16.0km (10.0 miles) ⓘCaegwernog Mine, Llanelltyd, Gwynedd, Wales, UK
20.7km (12.8 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
21.9km (13.6 miles) ⓘVigra Mine, Llanelltyd, Gwynedd, Wales, UK
22.3km (13.9 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
30.1km (18.7 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
38.0km (23.6 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
38.0km (23.6 miles) ⓘSimdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
References
 
and/or  
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