Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Gwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UKi
Regional Level Types
Gwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine)Mine
GoginanVillage
TrefeirigCommunity
CeredigionCounty
WalesCountry
UKCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
52° 26' 9'' North , 3° 55' 59'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SN686838
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Capel Bangor256 (2017)4.4km
Bow Street1,572 (2017)6.5km
Borth1,269 (2017)9.9km
Penparcau3,088 (2011)10.2km
Aberystwyth18,749 (2017)10.4km
Mindat Locality ID:
4272
Long-form identifier:
mindat:1:2:4272:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
Dyfed; Cardiganshire


This small mine developed a series of minor veins associated with the Daren-Cwmsymlog fault system
The first recorded working was in 1853 and on various occasions untill 1878. The veins were developed by at least four shafts and a number of trial adits.
The mine is very unsual for mid-Wales, as it is one of the few to have produced any AsO4 species.
Recorded production:
245 tons of lead ore

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


28 valid minerals.

Detailed Mineral List:

ⓘ Agardite-(Y)
Formula: YCu6(AsO4)3(OH)6 · 3H2O
References:
ⓘ Arseniosiderite
Formula: Ca2Fe3+3(AsO4)3O2 · 3H2O
References:
ⓘ Bayldonite
Formula: PbCu3(AsO4)2(OH)2
ⓘ Brochantite
Formula: Cu4(SO4)(OH)6
References:
ⓘ Chalcophyllite
Formula: Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
References:
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Connellite
Formula: Cu19(SO4)(OH)32Cl4 · 3H2O
References:
ⓘ Cuprite
Formula: Cu2O
ⓘ Erythrite
Formula: Co3(AsO4)2 · 8H2O
ⓘ Galena
Formula: PbS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
ⓘ Linarite
Formula: PbCu(SO4)(OH)2
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Mimetite
Formula: Pb5(AsO4)3Cl
ⓘ Native Copper
Formula: Cu
ⓘ Olivenite
Formula: Cu2(AsO4)(OH)
ⓘ Parnauite
Formula: Cu9(AsO4)2(SO4)(OH)10 · 7H2O
ⓘ Pharmacosiderite
Formula: KFe3+4(AsO4)3(OH)4 · 6-7H2O
ⓘ Pyromorphite
Formula: Pb5(PO4)3Cl
ⓘ Quartz
Formula: SiO2
ⓘ Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
ⓘ Scorodite
Formula: Fe3+AsO4 · 2H2O
ⓘ Serpierite
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ⓘ Tyrolite
Formula: Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
ⓘ Wroewolfeite
Formula: Cu4(SO4)(OH)6 · 2H2O

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
Group 3 - Halides
ⓘConnellite3.DA.25Cu19(SO4)(OH)32Cl4 · 3H2O
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘCuprite4.AA.10Cu2O
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘRosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBrochantite7.BB.25Cu4(SO4)(OH)6
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
ⓘLinarite7.BC.65PbCu(SO4)(OH)2
ⓘLangite7.DD.10Cu4(SO4)(OH)6 · 2H2O
ⓘWroewolfeite7.DD.10Cu4(SO4)(OH)6 · 2H2O
ⓘSerpierite7.DD.30Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘOlivenite8.BB.30Cu2(AsO4)(OH)
ⓘBayldonite8.BH.45PbCu3(AsO4)2(OH)2
ⓘMimetite8.BN.05Pb5(AsO4)3Cl
ⓘPyromorphite8.BN.05Pb5(PO4)3Cl
ⓘScorodite8.CD.10Fe3+AsO4 · 2H2O
ⓘErythrite8.CE.40Co3(AsO4)2 · 8H2O
ⓘChalcophyllite8.DF.30Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
ⓘParnauite8.DF.35Cu9(AsO4)2(SO4)(OH)10 · 7H2O
ⓘArseniosiderite8.DH.30Ca2Fe3+3(AsO4)3O2 · 3H2O
ⓘPharmacosiderite8.DK.10KFe3+4(AsO4)3(OH)4 · 6-7H2O
ⓘAgardite-(Y)8.DL.15YCu6(AsO4)3(OH)6 · 3H2O
ⓘTyrolite8.DM.10Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Group 9 - Silicates
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

List of minerals for each chemical element

HHydrogen
Hⓘ Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
Hⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Hⓘ BayldonitePbCu3(AsO4)2(OH)2
Hⓘ BrochantiteCu4(SO4)(OH)6
Hⓘ ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Hⓘ ErythriteCo3(AsO4)2 · 8H2O
Hⓘ GoethiteFe3+O(OH)
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ LangiteCu4(SO4)(OH)6 · 2H2O
Hⓘ LinaritePbCu(SO4)(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ OliveniteCu2(AsO4)(OH)
Hⓘ ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2O
Hⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Hⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Hⓘ ScoroditeFe3+AsO4 · 2H2O
Hⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Hⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Hⓘ WroewolfeiteCu4(SO4)(OH)6 · 2H2O
CCarbon
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Cⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
OOxygen
Oⓘ Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
Oⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Oⓘ BayldonitePbCu3(AsO4)2(OH)2
Oⓘ BrochantiteCu4(SO4)(OH)6
Oⓘ ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Oⓘ CupriteCu2O
Oⓘ ErythriteCo3(AsO4)2 · 8H2O
Oⓘ GoethiteFe3+O(OH)
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ LangiteCu4(SO4)(OH)6 · 2H2O
Oⓘ LinaritePbCu(SO4)(OH)2
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MimetitePb5(AsO4)3Cl
Oⓘ OliveniteCu2(AsO4)(OH)
Oⓘ ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2O
Oⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Oⓘ PyromorphitePb5(PO4)3Cl
Oⓘ QuartzSiO2
Oⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Oⓘ ScoroditeFe3+AsO4 · 2H2O
Oⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Oⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Oⓘ WroewolfeiteCu4(SO4)(OH)6 · 2H2O
AlAluminium
Alⓘ ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ QuartzSiO2
PPhosphorus
Pⓘ PyromorphitePb5(PO4)3Cl
SSulfur
Sⓘ BrochantiteCu4(SO4)(OH)6
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Sⓘ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Sⓘ GalenaPbS
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ LangiteCu4(SO4)(OH)6 · 2H2O
Sⓘ LinaritePbCu(SO4)(OH)2
Sⓘ ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2O
Sⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Sⓘ WroewolfeiteCu4(SO4)(OH)6 · 2H2O
ClChlorine
Clⓘ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Clⓘ MimetitePb5(AsO4)3Cl
Clⓘ PyromorphitePb5(PO4)3Cl
KPotassium
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
CaCalcium
Caⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Caⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Caⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
FeIron
Feⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Feⓘ ChalcopyriteCuFeS2
Feⓘ GoethiteFe3+O(OH)
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Feⓘ ScoroditeFe3+AsO4 · 2H2O
CoCobalt
Coⓘ ErythriteCo3(AsO4)2 · 8H2O
CuCopper
Cuⓘ Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
Cuⓘ BayldonitePbCu3(AsO4)2(OH)2
Cuⓘ BrochantiteCu4(SO4)(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cuⓘ CupriteCu2O
Cuⓘ Native CopperCu
Cuⓘ LangiteCu4(SO4)(OH)6 · 2H2O
Cuⓘ LinaritePbCu(SO4)(OH)2
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ OliveniteCu2(AsO4)(OH)
Cuⓘ ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2O
Cuⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Cuⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Cuⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Cuⓘ WroewolfeiteCu4(SO4)(OH)6 · 2H2O
ZnZinc
Znⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Znⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
AsArsenic
Asⓘ Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
Asⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Asⓘ BayldonitePbCu3(AsO4)2(OH)2
Asⓘ ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Asⓘ ErythriteCo3(AsO4)2 · 8H2O
Asⓘ MimetitePb5(AsO4)3Cl
Asⓘ OliveniteCu2(AsO4)(OH)
Asⓘ ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2O
Asⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Asⓘ ScoroditeFe3+AsO4 · 2H2O
Asⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
YYttrium
Yⓘ Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
PbLead
Pbⓘ BayldonitePbCu3(AsO4)2(OH)2
Pbⓘ GalenaPbS
Pbⓘ LinaritePbCu(SO4)(OH)2
Pbⓘ MimetitePb5(AsO4)3Cl
Pbⓘ PyromorphitePb5(PO4)3Cl

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent

This page 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.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 21, 2026 07:50:07 Page updated: June 15, 2026 13:05:22
Go to top of page