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
Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK


00835590017367146165613.jpg
Covellite, etc.

Llechwedd Helyg Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
00835590017367146165613.jpg
Covellite, etc.

Llechwedd Helyg Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
00387160017272034863607.jpg
Covellite, etc.

Llechwedd Helyg Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Covellite
Formula:CuS
Habit:Tiny platy crystals
Colour:Metallic indego blue
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Quartz1
Susannite1
Galena1
Data
Mineral Data:Click here to view Covellite data
Locality Data:Click here to view Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:15754
Long-form Identifier:1:3:15754:8
GUID (UUID V4):0
Nearest other occurrences of Covellite
3.2km (2.0 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
6.8km (4.2 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
8.1km (5.1 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
8.2km (5.1 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
11.2km (6.9 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
15.8km (9.8 miles) ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
18.7km (11.6 miles) ⓘDyfngwm mine, Penegoes, Powys, Wales, UK
20.0km (12.4 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
31.4km (19.5 miles) ⓘNant-y-Car Mine, Rhayader, Powys, Wales, UK
34.6km (21.5 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
References
Jones, A. D. (1987) The minerals of Llechwedd Helyg. UK Journal of Mines and Minerals 3, 25-27
 
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