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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Leadhillite from
Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:Leadhillite
Formula:Pb4(CO3)2(SO4)(OH)2
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Leadhillite data
Locality Data:Click here to view Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18213
Long-form Identifier:1:3:18213:7
GUID (UUID V4):0
Nearest other occurrences of Leadhillite
7.3km (4.5 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
8.5km (5.3 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
9.7km (6.0 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
9.9km (6.2 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
13.3km (8.3 miles) ⓘLlwynmalus Mine (West Lisburn Mine), Ysbyty Ystwyth, Ceredigion, Wales, UK
14.0km (8.7 miles) ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK
14.3km (8.9 miles) ⓘGlogfawr Mine, Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK
15.1km (9.4 miles) ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
21.3km (13.3 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
61.4km (38.2 miles) ⓘDolyhir Quarry, Old Radnor, Powys, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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