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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Smithsonite from
Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:Smithsonite
Formula:ZnCO3
Habit:Botryoidal
Colour:White
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Smithsonite data
Locality Data:Click here to view Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18449
Long-form Identifier:1:3:18449:0
GUID (UUID V4):0
Nearest other occurrences of Smithsonite
1.6km (1.0 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.7km (2.3 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
9.3km (5.8 miles) ⓘPwll Roman Mine, Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
13.2km (8.2 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
13.9km (8.6 miles) ⓘWemyss Mine, Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
14.4km (8.9 miles) ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
18.7km (11.6 miles) ⓘPen-y-Clun mine, Llanidloes, Powys, Wales, UK
48.8km (30.3 miles) ⓘLlangynog Mine, Llangynog, Powys, Wales, UK
49.2km (30.6 miles) ⓘCraig Rhiwarth Mine (Ochrycraig; North Llangynog), Llangynog, Powys, Wales, UK
57.7km (35.8 miles) ⓘDolyhir Quarry, Old Radnor, Powys, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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