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Dolomite from
Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Nant-y-Moch Reservoir area, Talybont, Ceulanymaesmawr, Ceredigion (Dyfed; Cardiganshire), Wales, UK

Description
Comments:Major vein mineral at Esgair Fraith.
Habit:Massive
Colour:Creamy, brown
Quality of samples:Poor for species, only of interest for locality collectors. (#)
Rarity at site:Very common
Confirmation
Validity:Confirmed
Confirmation Methods:Optical Analysis
References
References:UKJMM No5
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Nant-y-Moch Reservoir area, Talybont, Ceulanymaesmawr, Ceredigion (Dyfed; Cardiganshire), Wales, UK
Nearest other occurrences of Dolomite
1.9km (1.2 miles) Blaenceulan Mine, Talybont, Ceulanymaesmawr, Ceredigion (Dyfed; Cardiganshire), Wales, UK
2.1km (1.3 miles) Eaglebrook Mine (Nant-Y-Cagel Mine; Nantycagl Mine; Nantygagal Mine; Dolrhyddlan Mine), Nant-y-Moch Reservoir area, Talybont, Ceulanymaesmawr, Ceredigion (Dyfed; Cardiganshire), Wales, UK
3.0km (1.9 miles) Henfwlch Mine, Nant-y-Moch Reservoir area, Talybont, Ceulanymaesmawr, Ceredigion (Dyfed; Cardiganshire), Wales, UK
3.4km (2.1 miles) Hafan Mine (Canninog Mine; Bwlch Canninog Mine), Nant-y-Moch Reservoir area, Talybont, Ceulanymaesmawr, Ceredigion (Dyfed; Cardiganshire), Wales, UK
3.7km (2.3 miles) Ystrad Einion Mine (Dolgoch Mine), Furnace, Ysgubor-y-coed, Ceredigion (Dyfed; Cardiganshire), Wales, UK
3.7km (2.3 miles) Bryn-yr-Afr Mine, Nant-y-Moch Reservoir area, Ponterwyd, Trefeirig, Ceredigion (Dyfed; Cardiganshire), Wales, UK
7.1km (4.4 miles) Lodge Park Trial, Tre'r-ddol, Llangynfelyn, Ceredigion (Dyfed; Cardiganshire), Wales, UK
10.5km (6.5 miles) Nantiago Mine (Plynlimmon Mine), Hafren Forest, Powys (Montgomeryshire), Wales, UK
13.0km (8.1 miles) Cwmrheidol Mine, Ystumtuen, Cwmrheidol, Ceredigion (Dyfed; Cardiganshire), Wales, UK
16.2km (10.0 miles) Geufron Mine, Llanidloes, Powys (Montgomeryshire), Wales, UK
29.4km (18.3 miles) Clogau St Davids Mine (Clogau Mine; St David's Mine), Bontddu, Dolgellau Gold Belt, Gwynedd (Merionethshire), Wales, UK
31.9km (19.8 miles) Cefn Coch Mine (incl. Berthlwyd Mine; New California Mine), Ganllwyd, Dolgellau Gold Belt, Gwynedd (Merionethshire), Wales, UK
33.1km (20.6 miles) Ffridd-goch Mine, Ganllwyd, Dolgellau Gold Belt, Gwynedd (Merionethshire), Wales, UK
34.0km (21.2 miles) Nant-y-Car Mine, Rhayader, Powys (Radnorshire), Wales, UK
46.9km (29.1 miles) Llangynog Mine, Llangynog, Powys (Montgomeryshire), Wales, UK
47.2km (29.3 miles) Prince Edward Mine (Moel Croesau), Trawsfynydd, Dolgellau Gold Belt, Gwynedd (Merionethshire), Wales, UK
47.4km (29.4 miles) Craig Rhiwarth Mine (Ochrycraig; North Llangynog), Llangynog, Powys (Montgomeryshire), Wales, UK
67.0km (41.6 miles) Talachddu Mine, Talachddu, Felin-fach (Felinfach), Powys (Breconshire; Brecknockshire), Wales, UK
87.3km (54.2 miles) Vaynor Quarry, Trefechan, Merthyr Tydfil (Mid Glamorgan; Breconshire; Brecknockshire), Wales, UK
91.4km (56.8 miles) Ty Gwyn Mine, Great Orme, Llandudno, Conwy (Gwynedd; Caernarvonshire), Wales, UK
91.8km (57.0 miles) Old Mine, Great Orme, Llandudno, Conwy (Gwynedd; Caernarvonshire), Wales, UK
96.5km (60.0 miles) Big Pit (Colliery), Blaenavon, Torfaen (Gwent; Monmouthshire), Wales, UK
99.2km (61.7 miles) International Colliery, Blaengarw, Bridgend (Mid Glamorgan; Glamorgan), Wales, UK
99.3km (61.7 miles) Ferndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK
99.9km (62.1 miles) Gelli Colliery (Globe), Gelli, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK
100.4km (62.4 miles) Bargoed Colliery, Bargoed, Caerphilly (Mid Glamorgan; Monmouthshire), Wales, UK
100.6km (62.5 miles) Deep Navigation Colliery, Treharris, Merthyr Tydfil (Mid Glamorgan; Glamorgan), Wales, UK
102.8km (63.9 miles) Abercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK
103.2km (64.1 miles) Parys Mountain Mines (Paris Mine; Parys Mine; Mona Mine; Morfa Du Mine), Amlwch, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK
108.0km (67.1 miles) Pant-y-Gaseg Mine, Amlwch, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK
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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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