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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Gypsum from
Lodge Park Trial, Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, UK


Locality type:Trial
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Lodge Park Trial, Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:37722
Long-form Identifier:1:3:37722:1
GUID (UUID V4):0
Nearest other occurrences of Gypsum
12.1km (7.5 miles) ⓘGoginan Mine, Goginan, Melindwr, Ceredigion, Wales, UK
16.8km (10.5 miles) ⓘCwmrheidol Mine, Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
19.4km (12.0 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
20.3km (12.6 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
22.0km (13.7 miles) ⓘGwaithgoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
24.3km (15.1 miles) ⓘBrynycastell Mine, Dolgellau, Gwynedd, Wales, UK
25.5km (15.8 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
41.1km (25.5 miles) ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
53.7km (33.4 miles) ⓘOgofau Mine (Roman Deep Mine; Dolaucothi Mine; Cothy Mine), Pumpsaint, Carmarthenshire, Wales, UK
61.0km (37.9 miles) ⓘBritannia Mine, Beddgelert, Gwynedd, Wales, UK
References
Mason, J. S., Green, D. I. (1996) Supergene Copper Mineralisation in situ at Lodge Park Copper Trial, Dyfed. UK Journal of Mines and Minerals 17, 19-23
 
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