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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Covellite from
Trial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK


Locality type:Level
Classification
Species:Covellite
Formula:CuS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Covellite data
Locality Data:Click here to view Trial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:15675
Long-form Identifier:1:3:15675:2
GUID (UUID V4):0
Nearest other occurrences of Covellite
1.7km (1.0 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
10.3km (6.4 miles) ⓘCoed-y-Brenin deposit, Ganllwyd, Gwynedd, Wales, UK
29.1km (18.1 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
31.2km (19.4 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
32.5km (20.2 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
32.7km (20.3 miles) ⓘDyfngwm mine, Penegoes, Powys, Wales, UK
34.6km (21.5 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
37.2km (23.1 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
41.5km (25.8 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
45.5km (28.2 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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