Mae’r wefan hon yn defnyddio cwcis i hwyluso’ch defnydd. Drwy ddefnyddio’r wefan hon rydych chi’n cytuno i dderbyn cwcis dan ein
Polisi Cwcis
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Cytuno a Chau
Polisi Cwcis Amgueddfa Cymru
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Chwilio:
Chwilio
Mwnyddiaeth Cymru
Ynglýn â Mwnyddiaeth
Mineral Database
Trosolwg o’r Prosiect
Sut i Ddefnyddio’r Wefan
Dewislen
Teulu
Amgueddfa
Cymru
Amgueddfa Genedlaethol Caerdydd
Sain Ffagan Amgueddfa Werin Cymru
Amgueddfa Genedlaethol y Glannau
Big Pit Amgueddfa Lofaol Cymru
Amgueddfa Lechi Cymru
Amgueddfa Wlân Cymru
Amgueddfa Lleng Rufeinig Cymru
Mwnyddiaeth Cymru
Ynglýn â Mwnyddiaeth
Mineral Database
Trosolwg o’r Prosiect
Sut i Ddefnyddio’r Wefan
Mineral Database (Saesneg yn unig)
Mineral Database (Saesneg yn unig)
Mineralogy of Wales
Full search:
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 group:
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 context:
Hydrothermal
Igneous
Igneous/metamorphic extraterrestrial
Metamorphic
Sedimentary
Supergene
County:
Blaenau Gwent
Bridgend
Caerphilly
Cardiff
Carmarthenshire
Ceredigion
Conwy
Denbighshire
Flintshire
Gwynedd
Isle of Anglesey
Merthyr Tydfil
Monmouthshire
Neath Port Talbot
Newport
Pembrokeshire
Powys
Rhondda Cynon Taff
Swansea
Torfaen
Vale of Glamorgan
Wrexham
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