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


Locality type:Level
Classification
Species:Aragonite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Trial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:14595
Long-form Identifier:1:3:14595:0
GUID (UUID V4):0
Nearest other occurrences of Aragonite
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
32.1km (19.9 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
36.4km (22.6 miles) ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
40.0km (24.8 miles) ⓘCastell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
41.9km (26.0 miles) ⓘPen-y-Clun mine, Llanidloes, Powys, Wales, UK
47.4km (29.4 miles) ⓘGwaithgoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
55.3km (34.4 miles) ⓘHendre Quarry, Ceiriog Ucha, Wrexham, Wales, UK
62.8km (39.0 miles) ⓘNant-y-Car Mine, Rhayader, Powys, Wales, UK
64.4km (40.0 miles) ⓘTy Gwyn Mine, Great Orme, Llandudno, Conwy, Wales, UK
79.2km (49.2 miles) ⓘOgofau Mine (Roman Deep Mine; Dolaucothi Mine; Cothy Mine), Pumpsaint, Carmarthenshire, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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