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
Dylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK


Locality type:Mine
Classification
Species:Covellite
Formula:CuS
Habit:Thin crusts
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Covellite data
Locality Data:Click here to view Dylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18240
Long-form Identifier:1:3:18240:1
GUID (UUID V4):0
Nearest other occurrences of Covellite
1.3km (0.8 miles) ⓘDyfngwm mine, Penegoes, Powys, Wales, UK
13.1km (8.1 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
13.4km (8.3 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
19.4km (12.0 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
19.7km (12.2 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
20.0km (12.4 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
20.2km (12.5 miles) ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
24.0km (14.9 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
32.1km (20.0 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
32.5km (20.2 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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