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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Aragonite from
Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:Aragonite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18276
Long-form Identifier:1:3:18276:6
GUID (UUID V4):0
Nearest other occurrences of Aragonite
3.0km (1.9 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
9.9km (6.2 miles) ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
10.9km (6.8 miles) ⓘCastell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
19.1km (11.9 miles) ⓘGwaithgoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
20.2km (12.5 miles) ⓘPen-y-Clun mine, Llanidloes, Powys, Wales, UK
29.1km (18.1 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
34.0km (21.2 miles) ⓘNant-y-Car Mine, Rhayader, Powys, Wales, UK
51.6km (32.0 miles) ⓘOgofau Mine (Roman Deep Mine; Dolaucothi Mine; Cothy Mine), Pumpsaint, Carmarthenshire, Wales, UK
62.9km (39.1 miles) ⓘHendre Quarry, Ceiriog Ucha, Wrexham, Wales, UK
91.4km (56.8 miles) ⓘTy Gwyn Mine, Great Orme, Llandudno, Conwy, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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