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St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK
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This group of mines was formed in 1852 by amalgamation of Carharrack Mine, Poldice Mine, and Wheal Maid. In 1864, Wheal Unity, Wheal Gorland, and the Creegbrawse and Penkevil Mine were included. In 1870, the name "Poldice Mines" was adopted for the whole group.

Unlike the name suggests, most of the mines are located in Gwennap parish, except for Wheal Gorland (in St Day parish) and Creegbrawse and Penkevil Mine (in Chacewater parish).

Not to be mistaken for the Gwennap United Mines.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Actinolite
'Agardite'
Anatase
'Apatite'
Arsenogorceixite
Arsenopyrite
Asbolane
Autunite
'Axinite Group'
Azurite
Baryte
Beudantite
Bismuthinite
'Bitumen'
Bornite
Brochantite
Brookite
Carminite
Cassiterite
Ceruleite
Cerussite
Chalcanthite
Chalcocite
Chalcophyllite
Chalcopyrite
var: Blister Copper
Chenevixite (TL)
'Chlorite Group'
Chrysocolla
Clinoclase (TL)
Connellite
Copper
Corkite
Cornubite
Cornwallite (TL)
Cuprite
var: Chalcotrichite
var: Tile ore
Cuprotungstite
Cyanotrichite
Djurleite
Erythrite
Fluorite
Galena
'Garnet'
Gibbsite
Goethite
Gold
Gypsum
Hisingerite
Hübnerite
Hydrokenoelsmoreite
Kaolinite
Langite
Leucophosphite
Libethenite
'Limonite'
Linarite
Liroconite (TL)
'Liskeardite'
Malachite
Marcasite
Metazeunerite
'Mica Group'
Mimetite
Mixite
Molybdenite
Olivenite (TL)
var: Wood Copper
Opal
var: Fire Opal
Parnauite
'Petroleum'
Pharmacosiderite (TL)
Phenakite
Philipsbornite
Plumbogummite
Pseudomalachite
Pyrargyrite
Pyrite
Pyromorphite
Quartz
var: Amethyst
var: Chalcedony
var: Jasper
var: Milky Quartz
var: Rock Crystal
Quartz
var: Smoky Quartz

Schorl
Scorodite
Shattuckite
Siderite
Sieleckiite
Silver
Spangolite
Sphalerite
Strashimirite
Tennantite
Tenorite
Tetrahedrite
Titanite
Torbernite
'Tourmaline'
'var: Verdelite'
'Tungstic Ochre'
Uraninite
var: Pitchblende

'Varlamoffite'
Vivianite
'Wolframite'
Wulfenite
Wurtzite
Zeunerite
Zippeite


120 entries listed. 86 valid minerals. 6 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.

References

- Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, p. 417.

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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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