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Chwilio am Fwynau (Saesneg yn unig)
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chwilio
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Archwilio'r casgliadau
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Chwilio am Fwynau (Saesneg yn unig)
Canllaw I’r Data Am Fwynau
Mineral Name:
Distribution:
Ubiquitous
Widespread
Locally Abundant
Uncommon
Rare
None - Discredited
See individual species entries for details
Occurrence:
Confirmed Occurrence
Confirmed Occurrence - Type Locality In Wales
Confirmed Occurrence - 1st UK recording
Confirmed Occurrence - 2nd UK recording
Confirmed Occurrence - 3rd UK recording
Confirmed Occurrence - 4th UK recording
Unconfirmed Occurrence
Discredited Occurrence
Crystal System:
Cubic
Tetragonal
Orthorhombic
Monoclinic
Triclinic
Hexagonal
Trigonal
Amorphous
Monoclinic or Triclinic
Not known
Chemical Groups:
Antimonates and Antimonites
Arsenates
Carbides, Nitrides, Silicides and Phosphides
Carbonates
Elements & Alloys
Halides
Niobates and Tantalates
Organic mineral
Oxides & Hydroxides
Oxysulphides
Phosphates
Selenites, Selenates, Tellurites and Tellurates
Silicates
Sulphates
Sulphides
Sulphites, Chromates, Molybdates & Tungstates
Sulphosalts
Vanadates
Geological Contexts:
Hydrothermal
Igneous
Igneous/metamorphic extraterrestrial
Metamorphic
Sedimentary
Supergene
Locality:
Aberangell area, Gwynedd
Aberavon, South Wales
Aberbach, Pembrokeshire
Aberdaunant Mine, Llanidloes, Powys
Aberduna Mine, Gwernymynydd, Mold, Flintshire
Abereiddi, Pembrokeshire
Aberfan, South Wales
Aberllyn Mine, Llanrwst Orefield, Gwynedd
Abersoch, Gwynedd
Abertysswg Colliery, Rhymney, South Wales
Afon Goch, Anglesey
Afon Mawddach, Ganllwyd, Gwynedd
Afon Wen, Gwynedd
Alltycrib Mine, Tal-y-bont, Ceredigion
Anglesey
Arenig Station Mn Mine (Nant yr Helfa), Arenig District, Gwynedd
Arenig Station Quarry, Llanycil, Gwynedd
Bangor, Gwynedd, North Wales
Barry Island, South Wales
Beaufort Consols, Mumbles Head, Gower, South Wales
Beddgelert Forest, Beddgelert, Gwynedd
Beddgelert, Gwynedd
Bedwas Colliery, Caerphilly, South Wales
Benallt and Nant mines, Llŷn, Gwynedd
Benallt Mine, Llŷn, Gwynedd
Benllech, Anglesey
Berwyn Hills, Clwyd
Bishopston, Gower, South Wales
Blaen-y-Nant, Nant Ffrancon, Gwynedd
Blaenceulan Mine, Talybont, Ceredigion
Blaengwynlais Quarry, near Cardiff, South Wales
Bodcoll Mine, Devil’s Bridge, Ceredigion
Bog Mine, Ponterwyd, Ceredigion
Bontddu, Dolgellau, Gwynedd
Braich-yr-oen Mine, Snowdon, Gwynedd
Britannia Mine, Snowdonia, Gwynedd
Broad Haven, Pembrokeshire
Bryntail Mine, Llanidloes, Powys
Brynycastell Mine, Cross Foxes, Dolgellau, Gwynedd
Brynyrafr Mine, Ponterwyd, Ceredigion
Brynyrarian Mine, Tre-Taliesin, Ceredigion
Bute Quarry, Llantrisant, South Wales
Bwlch Mine, Deganwy, Gwynedd
Bwlch Mine, Goginan, Ceredigion
Bwlch-glas Mine, Tal-y-bont, Ceredigion
Bwlch-y-Cywion, Gwynedd
Bwlchrhennaid Mine, Goginan, Ceredigion
Cae Coch Mine, Trefriw, Gwynedd
Cae Mawr Mine, Gwynedd
Camdwrbach Mine, Nant-y-moch Reservoir, Ponterwyd, Ceredigion
Camdwrmawr Mine, Nant-y-moch Reservoir, Ponterwyd, Ceredigion
Capel Hermon, Coed y Brenin, Gwynedd
Cardiff, South Wales
Carn Menyn, Presely hills, Pembrokeshire
Carreg Ddu, Porth Dinllaen, Llŷn, Gwynedd
Castell Carn Dochan Mine, Llanuwchllyn, Bala, Gwynedd
Castell Mine, Ponterwyd, Ceredigion
Cefn Coch Lode, Dolgellau Gold-Belt, Gwynedd
Cefn Coed Colliery, Neath
Cefn mawr Quarry, Mold, Flintshire
Cefn Onn, South Wales
Cefn-yr-Ogof, Llanddulas, Denbighshire
Cefndeuddwr Mine, Ganllwyd, Gwynedd
Cefngwyn Mine, Bontgoch, Ceredigion
Central Anglesey
Central Snowdonia, Gwynedd
Central Wales
Central Wales Orefield
Ceunant Mine, Cwmerfin, Ceredigion
Cil Ifor Hill, Llanrhidian, Gower, South Wales
Clive mines, Draethen, South Wales
Clogau Mine, Bontddu, Gwynedd
Clwydian Hills
Coast between Saundersfoot and Wiseman's Bridge, Saundersfoot, Carmarthenshire
Coch-y-Bug Farm, Pontllyfni, Gwynedd
Coed Cefn Pwll-du, Draethen, South Wales
Coed Llyn y Garnedd, near Maentwrog, Gwynedd
Coed Llyn-y-Garnedd, near Maentwrog, Gwynedd
Coed-y-Brenin, Dolgellau, Gwynedd
Copa Hill, Cwmystwyth mines, Ceredigion
Crafnant Mine, Llanbedr, Harlech, Gwynedd
Craig Rhiwarth Mine, Llangynog, Powys
Cregennen, Dolgellau, Gwynedd
Crumlin Colliery, Ebbw Vale, Gwent
Cwm Bychan, Beddgelert, Gwynedd
Cwm Dwyfnant, Llangammarch Wells, Powys
Cwm Llan, Snowdon, Gwynedd
Cwm Orog Mine, Llangynog, Powys
Cwm Pennant, Snowdonia, Gwynedd
Cwm Tregalan, Snowdon, Gwynedd
Cwmavon Valley Copper Smelting Slags, Aberavon, South Wales
Cwmdarren Mine, Trefeirig, Ceredigion
Cwmerfin Mine, Cwmerfin, Ceredigion
Cwmheisian Isaf Mine, Ganllwyd, Dolgellau, Gwynedd
Cwmleyshon Quarry, Draethen, South Wales
Cwmorthin Quarry, Blaenau Ffestiniog, Gwynedd
Cwmsymlog Mine, Cwmsymlog, Ceredigion
Cwmystwyth Mine, Cwmystwyth, Ceredigion
Cwrt-yr-ala Park Quarry, Penarth, South Wales
Cyfarthfa Mine, Penegoes, Powys
Cyffty Mine, Llanrwst, Gwynedd
Cymmer Colliery, Porth, South Wales
Cystanog Mine, Carmarthen, Carmarthenshire
Dan-y-graig Quarry, Risca, Gwent
Darren Mine, Pen-bont Rhydybeddau, Ceredigion
Deep Navigation Colliery, Treharris, South Wales
Deepford Brook, Clarbeston, Pembrokeshire
Dinorwic Quarry, Llanberis, Gwynedd
Dolaucothi Gold Mine, Pumpsaint, Carmarthenshire
Dolclettwr Mine, Tre'r-ddol, Ceredigion
Dolgellau Gold-belt, Gwynedd
Dolwen Mine, Devil’s Bridge, Ceredigion
Dolyhir Quarry, Old Radnor, Powys
Drosgol Mine, Drosgol, Ponterwyd, Ceredigion
Drosgol, Ponterwyd, Ceredigion
Drws-y-Coed Mine, Nantlle, Gwynedd
Dyfngwm Mine, Penegoes, Powys
Dylife Mine, Penegoes, Powys
Dyserth, Clwyd
Eaglebrook (Nantycagl) Mine, Ceulanymaesmawr, Ceredigion
East Castell Mine, Dyffryn Castell, Ponterwyd, Ceredigion
East Glogfach Mine, Ysbyty Ystwyth, Ceredigion
East Glogfawr Mine, Ysbyty Ystwyth, Ceredigion
East Penycefn Mine, Bont-goch, Ceredigion
Elgar Mine, Bontgoch, Ceredigion
Erglodd Mine, Talybont, Ceredigion
Eryrys, Denbighshire
erythrite is
Esgair Fraith Mine, Tal-y-bont, Ceredigion
Esgair-Ddu Mine, Pontrhydfendigaid, Ceredigion
Esgairhir Mine, Tal-y-bont, Ceredigion
Esgairmwyn Mine, Ysbyty Ystwyth, Ceredigion
Ffestiniog (Tanygrisiau) Granite Quarry, Cefn Bychan, Blaenau Ffestiniog, Gwynedd
Fforchaman Colliery, Cwmaman, South Wales
Ffridd-Goch Mine, Llanfachreth, Gwynedd
Fishguard, Pembrokeshire
Flintshire
Foel Ispri Mine, Llanelltyd, Dolgellau, Gwynedd
Fron Oleu, Prenteg, Tremadog, Gwynedd
Frongoch Mine, Devil's Bridge, Ceredigion
Garnfor, Llŷn, Gwynedd
Garth Iron Mine, Taff’s Well, Mid Glamorgan
Gellilydan, Gwynedd
Gelly-Fowler Fields, Halkyn Mountain, Flintshire
Geufron Mine, Llanidloes, Powys
Gimlet Quarry, Pwllheli, Gwynedd
Glasdir Mine, Dolgellau Gold-belt, Gwynedd
Glen Court & Golden Hill, Usk, Monmouthshire
Gloddfa Ganol Quarry, Blaenau Ffestiniog, Gwynedd
Gloddfa Ganol Quarry, near Blaenau Ffestiniog, Gwynedd
Glogfawr Mine, Ysbyty Ystwyth, Ceredigion
Goginan Mine, Goginan, Ceredigion
Goldsland Wood, Cwmavon, South Wales
Gorlan Mine, Trefriw, Gwynedd
Gorn Mine, Llanidloes, Powys
Graig Quarry, Llanarmon-yn-lal, Denbighshire
Graigddu Mine, Llangynog, Powys
Graiglwyd Quarry, Penmaenmawr, Conwy
Great House, Usk, Monmouthshire
Great Orme Copper Mines, Llandudno, Gwynedd
Great Western No 1 Colliery
Grogwynion Mine, Pontrhydygroes, Ceredigion
Gumfreston, near Tenby, Pembrokeshire
Gwaith-yr-Afon Mine, Goginan, Ceredigion
Gwaithgoch Mine, Pontrhydygroes, Ceredigion
Gwynedd
Gwynfynydd Mine, Ganllwyd, Dolgellau, Gwynedd
Gyrn Du, near Clynnog, Llŷn, Gwynedd
Hafan Mine, Ceulanymaesmawr, Ceredigion
Hafod, Gwernymynydd, Mold, Flintshire
Halkyn District, Flintshire
Halkyn Mountain, Clwyd
Halkyn, Flintshire
Halkyn-Minera district, NE Wales
Hanter Hill, nr. Old Radnor, Powys
Harlech area, Gwynedd
Harlech Dome area, Gwynedd
Hendre Gravel Quarry, Rhydymwyn, Mold, Flintshire
Hendre Quarry, Glyn Ceiriog, Clwyd
Hendre, Anglesey
Hendrefelin Mine, Ysbyty Ystwyth, Ceredigion
Hendreforion Mine, Bontddu, Gwynedd
Hendy Quarry, Miskin, South Wales
Henfwlch Mine, Ceulanymaesmawr, Ceredigion
Holy Island, Anglesey
Holywell, Flintshire
Hyddgen Mine, Uwchygarreg, Powys
Jamaica Mine, Moel Findeg, Mold, Flintshire
Kenfig Sands, Porthcawl, South Wales
Kidwelly, Carmarthenshire
Leri Valley Mine, Talybont, Ceredigion
Level Newydd Mine, Goginan, Geredigion
Llanarmon-yn-lal, Ruthin, Denbighshire
Llanddwyn Island, Anglesey
Llandebie, Dyfed
Llandudno Mine, Llandudno, Gwynedd
Llandulas, Clwyd
Llanegan Mine, Llŷn, Gwynedd
Llanelwedd Quarry, Builth Wells, Powys
Llanerch-yr-aur Mine, Llanbrynmair, Powys
Llanfaelog, Anglesey
Llanfair Talhaiarn, Denbighshire
Llanfairpwllgwyngyll, Anglesey
Llanfyrnach Mine, Pembrokeshire
Llangattwg Limestone Caves, Gwent
Llangunnor, Carmarthenshire
Llangynog Mine, Llangynog, Powys
Llangynog Orefield, NW Powys
Llangynog, Carmarthenshire
Llanharry Iron Mine, Llantrisant, South Wales
Llanrwst Mine, Llanrwst, Gwynedd
Llanrwst Orefield, Gwynedd
Llantrisant area, South Wales
Llantrisant by-pass, South Wales
Llanwnda, Pembrokeshire
Llanymynech copper mines, Powys
Llanymynech Hill, Powys
Llanymynech, Welshpool, Powys
Llawrcwmbach Mine, Bontgoch, Ceredigion
Llechweddhelyg Mine, Penrhyncoch, Ceredigion
Llechynfarwy, Anglesey
Lletty Evan-Hen Mine, Bont-goch, Ceredigion
Llettyhen Mine, Bontgoch, Ceredigion
Lliwedd, Central Snowdonia, Gwynedd
Llyn Cwellyn, Beddgelert, Gwynedd
Llynnau Gamallt Mine, Ffestiniog, Gwynedd
Llywernog Mine, Ponterwyd, Ceredigion
Llŷn Dywarchen, Moel Ysgyfarnogod, Gwynedd
Llŷn, Gwynedd
Locks common, Porthcawl, South Wales
Lodge Park Copper Trial, Tre’r-ddol, Ceredigion
Logaulas Mine, Ysbyty Ystwyth,Ceredigion
Loveden Mine, Tre'r-ddol, Ceredigion
Lower Palaeozoic sedimentary rocks of North and Central Wales
Ludchurch, Pembrokeshire
Lydstep, near Tenby, Pembrokeshire
Machen Quarry, Caerphilly, South Wales
Maes-y-safn Mine, Maeshafn, Denbighshire
Manod Quarry, Blaenau Ffestiniog, Gwynedd
Marchlyn Mawr, Snowdonia, Gwynedd
Marloes Bay, Pembrokeshire
Merionethshire
Merthyr Tydfil, South Wales
Minera District, Flintshire
Minffordd Quarry, near Penrhyndeudraeth, Gwynedd
Mochowgryn, Arenig District, Gwynedd
Moel Goedog, near Harlech, Gwynedd
Moel Hiraddug Mine, Dyserth, Clwyd
Moel Llyfnant, Arenig District, Gwynedd
Moel yr Ogof, near Beddgelert, Gwynedd
Moel Ysgyfarnogod, Eisingrug, Gwynedd
Moelgolomen Mine, Tal-y-bont, Ceredigion
Mwyndy Mine, Llantrisant, South Wales
Mynachdy, N. Anglesey
Mynydd Drws-y-Coed, Nantlle, Gwynedd
Mynydd Gorddu Mine, Bontgoch, Ceredigion
Mynydd Mawr, Gwynedd
Mynydd Nodol Mine, Arenig District, Gwynedd
Mynyddgorddu Mine, Bontgoch, Ceredigion
Nant Ffrancon, Gwynedd
Nant Helen Opencast, Abercraf, South Wales
Nant Melyn Mine, Hafren Forest, Powys
Nant Mine, Llangunnor, Carmarthenshire
Nant Mine, Nant-y-Gadwen, Rhiw, Llŷn, Gwynedd
Nant Uchaf Mine, Abergele, Clwyd
Nant-y-blaidd Mine, Llangynog, Powys
Nant-y-Car Mine, Rhyader, Powys
Nant-y-creiau Mine, Devil’s Bridge, Ceredigion
Nant-y-mwyn Mine, Rhandirmwyn, Carmarthenshire
Nantmelin Mine, Central Wales
Nantycar Mine, Rhayader, Powys
Nantyrarian Mine, Goginan, Ceredigion
New Pandora Mine, Llanrwst, Gwynedd
North East Anglesey
North Plynlimon Mine, Plynlimon, Ceredigion
North Wales
North-east Wales
North-west Anglesey
Northeast Anglesey
Northern Anglesey
Ochrwyth Quarry, Risca, Gwent
Ogmore, South Wales
Ogof Ffynnon-ddu, Craig-y-nos, Powys
Ogofau Mine, Pumpsaint, Dyfed
Old Esgairlle Mine, Ponterwyd, Ceredigion
Old Radnor, Presteigne, Powys
Pandora Mine, Gwynedd
Pandy Mine, Tre'r-ddol, Ceredigion
Panorama Mine, Barmouth, Gwynedd
Pant Quarry, Halkyn Mountain, Clwyd
Pant-y-Gaseg Mine, Anglesey
Parc Mine, Llanwrst, Gwynedd
Parwyd, Llŷn, Gwynedd
Parys Mountain, Anglesey
Pen Caer, Fishguard, Pembrokeshire
Pen-y-bryn shaft dumps, Halkyn, Clwyd
Pen-yr-allt Mine, nr. Penrhydeudreath, Gwynedd
Penarth and Lavernock, South Wales
Penarth-Barry coast, South Wales
Pencaer Peninsula, Pembrokeshire
Pengraigddu Mine, Cwmerfin, Ceredigion
Penmaenmawr, Conwy
Pennant Mine, St Asaph, Clwyd
Penpompren Mine, Talybont, Ceredigion
Penrhiw Mine, Ystumtuen, Ceredigion
Penrhyn Du Mine, Llŷn, Gwynedd
Penrhyn Du, Abersoch, Llŷn, Gwynedd
Penrhyn Quarry, Bethesda, Gwynedd
Penybanc Mine, Tal-y-bont, Ceredigion
Penycefn Mine, Bontgoch, Ceredigion
Penyclun Mine, Llanidloes, Powys
Plas Newydd, Anglesey
Ponterwyd Mine, Llywernog, Ceredigion
Porth Heligan, Anglesey
Porth Ysgo, Aberdaron, Llŷn, Gwynedd
Porthgain Quarry, near St David's, Pembrokeshire
Prenteg, Tremadog, Gwynedd
Preseli Mountains (Mynydd Preseli), Pembrokeshire
Presteigne, Powys
Pwll-du Head, Bishopston, Gower, South Wales
Pwll-du storm beach, Bishopston, Gower, South Wales
Ramsey Island, Pembrokeshire
Red Dragon Mine, Dinas Mawddwy, Gwynedd
Rheidol United Mines, Cwmrheidol, Ceredigion
Rhiw, Llŷn, Gwynedd
Rhiwnant Dome, SW of the Elan Valley, Central Wales
Rhiwnant Mine, Rhyader, Powys
Rhiwseiseion, near Llantrisant, South Wales
Rhobell Fawr, Gwynedd
Rhos-mynach Mine, Anglesey
Rhyd y Gwern pits, Machen, South Wales
Rhyd-ddu, Snowdonia, Gwynedd
Rhydfach adit, Tal-y-bont, Ceredigion
Risca, Newport, South Wales
Shadow Gully, Snowdon, Gwynedd
Sigenlas Mine, Llanidloes, Powys
Silver Rake, Halkyn Mountain, Flintshire
Simdde Dylluan, Drws-y-coed, Nantlle, Gwynedd
Skomer Island, Pembrokeshire
Snowbrook Mine, Llanidloes, Powys
Snowdon, Gwynedd
Snowdonia, Gwynedd
South Darren Mine, Pen-bont Rhydybeddau, Ceredigion
South Nant-y-car Mine, Rhyader, Powys
South Wales
South Wales (limestone outcrop)
South Wales Coalfield
SS Liverpool wrecksite
St Elvis Mine, Solva, Pembrokeshire
St Tudwal's Peninsula, Llŷn, Gwynedd
St. David's Head, Pembrokeshire
St. David’s, Pembrokeshire
St. Elvis Mine, Solva, Pembrokeshire
Standard Colliery, Ynshir, South Wales
Station Quarry, Arenig, Gwynedd
Strumble Head, Pembrokeshire
Sully Island, South Wales
Taff's Well Quarry, Pentyrch, South Wales
Taff's Well, Mid Glamorgan
Tal y Fan, Conway
Tallarn Green, Wrexham
Tan-yr-allt, Nant Peris, Gwynedd
Tanygrisiau Station, Blaenau Ffestiniog, Gwynedd
Test Loc
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Ton Mawr Quarry, Pentyrch, South Wales
Trecastell Mine, Henryd, Gwynedd
Treffgarne, Pembrokeshire
Treharris, South Wales
Tremadog, Gwynedd
Trwyn Cae Iago, near Porthmadog
Ty’n-ycaeau, near Menai, Anglesey
Tyddyn Gwladys Mine, Ganllwyd, Dolgellau, Gwynedd
Tyllau Mwyn, Drws-y-nant, Gwynedd
Tylorstown Colliery, Tylorstown, South Wales
Tylwch Mine, Llanidloes, Powys
Tŷ Coch, near Porthcawl, South Wales
Tŷ Mawr, Rumney, South Wales
Usk, Monmouthshire
Vale of Towy Mine, Llandeilo, Carmarthenshire
Valley (Dyffryn), Anglesey
Van Mine, Llanidloes, Powys
Vaynor Quarry, Merthyr Tydfil, South Wales
Vigra Mine, Dolgellau gold-belt, Gwynedd
Votty and Bowydd Slate Quarries, Blaenau Ffestiniog, Gwynedd
Wedding Cave Mine, Bwlchgwyn, Wrexham
Welsh Borderland
Welsh Foxdale (New Pandora) Mine, Trefriw, Gwynedd
Wenvoe Quarry, Cardiff, South Wales
Y Llymllwyd, near Nant Ffrancon, Snowdonia
Ynystudor Mine, Tre'r-ddol, Ceredigion
Ystrad Einion Mine, Furnace, Ceredigion
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Cronfa Ddata Mwynau (Saesneg yn unig)
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