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
Ogofau Mine (Roman Deep Mine; Dolaucothi Mine; Cothy Mine), Pumpsaint, Carmarthenshire, 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 Ogofau Mine (Roman Deep Mine; Dolaucothi Mine; Cothy Mine), Pumpsaint, Carmarthenshire, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18221
Long-form Identifier:1:3:18221:6
GUID (UUID V4):0
Nearest other occurrences of Aragonite
30.2km (18.8 miles) ⓘNant-y-Car Mine, Rhayader, Powys, Wales, UK
32.4km (20.1 miles) ⓘGwaithgoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
42.5km (26.4 miles) ⓘCastell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
42.8km (26.6 miles) ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
43.7km (27.2 miles) ⓘNeath Abbey Copper Smelter, Neath, Neath Port Talbot, Wales, UK
48.6km (30.2 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
51.6km (32.0 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
52.3km (32.5 miles) ⓘInternational Colliery, Blaengarw, Bridgend, Wales, UK
52.8km (32.8 miles) ⓘDare Colliery, Cwmparc, Rhondda Cynon Taf, Wales, UK
54.5km (33.9 miles) ⓘPen-y-Clun mine, Llanidloes, Powys, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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