Mindat Logo

Lleyn Peninsula, Gwynedd (Caernarvonshire), Wales, UK

The Lleyn Peninsula, an undulating spur reaching out from the mountains of Snowdonia, is the most westerly point of Gwynedd. Twenty five miles long, it averages eight miles in width, and separates Caernarfon and Cardigan Bays. It is bordered to the east by the A487 Caernarfon-Porthmadog road.

At various times manganese, iron and lead-copper mines have operated on the Lleyn.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Alleghanyite
Analcime
Anglesite
'Apophyllite'
Atacamite
Axinite-(Fe)
Banalsite (TL)
Bannisterite (TL)
Baryte
Birnessite
Bixbyite
Bornite
Botallackite
Brookite
Calcite
Caryopilite
Celsian
Cerussite
Chalcopyrite
Cotunnite
Cumengeite
Cymrite (TL)
Epidote
Epidote-(Sr)
Feitknechtite
Fluorapatite
Galena
Ganophyllite
Harmotome
Hausmannite
Hyalophane
Iwakiite
Jacobsite
Manganite
Manganosite
Natrolite
Neotocite
Paracelsian
Paragonite
Pectolite
Pennantite (TL)
Phosgenite
Piemontite
Piemontite-(Sr)
Powellite
Prehnite
Pyrochroite
Pyrolusite
Pyrophanite
Pyroxmangite
Quartz
Rhodochrosite
Rhodonite
Romanèchite
Stevensite
Strontianite
Sulphur
Tephroite


58 entries listed. 55 valid minerals. 4 type localities (valid minerals).

Localities in this Region

UK
UK

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
This page is currently not sponsored. To sponsor this page click here.


Mineral and/or Locality
Search Google
 
Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the 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 hundreds 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.
Current server date and time: 11th Aug 2011 09:28:22
Mineral and Locality Search
Mineral:
and/or Locality:
Options
Fade toolbar when not in focusFix toolbar to bottom of page
Hide Social Media Links
Slideshow frame delay seconds