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Cwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UKi
Regional Level Types
Cwmystwyth MineMine
CwmystwythVillage
Upper Llanfihangell-y-CreuddynParish
CeredigionCounty
WalesCountry
UKCountry

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Key
Latitude & Longitude (WGS84):
52° 21' 24'' North , 3° 45' 23'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SN804747
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Pontrhydfendigaid712 (2017)11.0km
Capel Bangor256 (2017)15.4km
Rhayader1,824 (2017)17.7km
Llanidloes2,929 (2017)17.9km
Llanilar1,085 (2017)18.3km
Other/historical names associated with this locality:
Dyfed; Cardiganshire


A Pb-Zn mine.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


30 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: No reference listed
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Reference: No reference listed
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: No reference listed
Bornite
Formula: Cu5FeS4
Colour: iridescent
Reference: M.M.Wirth collection
Brochantite
Formula: Cu4(SO4)(OH)6
Colour: green
Reference: M.M.Wirth collection
Calcite
Formula: CaCO3
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Cerussite
Formula: PbCO3
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Chalcopyrite
Formula: CuFeS2
Reference: No reference listed
Copper
Formula: Cu
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Covellite
Formula: CuS
Colour: black,iridescent
Description: frequent black coating on sphalerite. Dissolves in HCl to give green crystals of copper chloride which coat steel wool fibre with copper.
Reference: M.M.Wirth collection
Galena
Formula: PbS
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Greenockite
Formula: CdS
Reference: No reference listed
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: No reference listed
Hydrocerussite
Formula: Pb3(CO3)2(OH)2
Reference: Steve Rust
Hydrozincite
Formula: Zn5(CO3)2(OH)6
Reference: No reference listed
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Reference: No reference listed
Leadhillite
Formula: Pb4(CO3)2(SO4)(OH)2
Reference: No reference listed
Linarite
Formula: PbCu(SO4)(OH)2
Reference: No reference listed
Malachite
Formula: Cu2(CO3)(OH)2
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Posnjakite
Formula: Cu4(SO4)(OH)6 · H2O
Reference: No reference listed
Pyrite
Formula: FeS2
Reference: No reference listed
Pyromorphite
Formula: Pb5(PO4)3Cl
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Quartz
Formula: SiO2
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Ramsbeckite
Formula: (Cu,Zn)15(SO4)4(OH)22 · 6H2O
Reference: S.Rust Collection
Redgillite
Formula: Cu6(SO4)(OH)10 · H2O
Reference: S.Rust Collection
Schulenbergite
Formula: (Cu,Zn)7(SO4)2(OH)10 · 3H2O
Reference: S.Rust Collection
Siderite
Formula: FeCO3
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Smithsonite
Formula: ZnCO3
Habit: needles
Reference: M.M.Wirth collection
Sphalerite
Formula: ZnS
Description: Sphalerite can be readily collected from the lower tips in very large pieces, but sadly crystals are rare. Good pyromorphite at higher levels, but better still at nearby Copa Hill.
Reference: D Vesty collection
Susannite
Formula: Pb4(CO3)2(SO4)(OH)2
Reference: Steve Rust

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Galena2.CD.10PbS
Greenockite2.CB.45CdS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Hydrocerussite5.BE.10Pb3(CO3)2(OH)2
Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Leadhillite5.BF.40Pb4(CO3)2(SO4)(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Smithsonite5.AB.05ZnCO3
Susannite5.BF.40Pb4(CO3)2(SO4)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Langite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Linarite7.BC.65PbCu(SO4)(OH)2
Posnjakite7.DD.10Cu4(SO4)(OH)6 · H2O
Ramsbeckite7.DD.60(Cu,Zn)15(SO4)4(OH)22 · 6H2O
Redgillite7.DD.70Cu6(SO4)(OH)10 · H2O
Schulenbergite7.DD.80(Cu,Zn)7(SO4)2(OH)10 · 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
Pyromorphite8.BN.05Pb5(PO4)3Cl
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Siderite14.1.1.3FeCO3
Smithsonite14.1.1.6ZnCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Hydrocerussite16a.2.2.1Pb3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Aurichalcite16a.4.2.1(Zn,Cu)5(CO3)2(OH)6
Hydrozincite16a.4.1.1Zn5(CO3)2(OH)6
Group 17 - COMPOUND CARBONATES
Miscellaneous
Leadhillite17.1.2.1Pb4(CO3)2(SO4)(OH)2
Susannite17.1.3.1Pb4(CO3)2(SO4)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
(AB)2(XO4)Zq
Linarite30.2.3.1PbCu(SO4)(OH)2
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq·xH2O, where m:p > 6:1
Schulenbergite31.1.6.1(Cu,Zn)7(SO4)2(OH)10 · 3H2O
(AB)4(XO4)Zq·xH2O
Langite31.4.3.1Cu4(SO4)(OH)6 · 2H2O
Posnjakite31.4.1.1Cu4(SO4)(OH)6 · H2O
Ramsbeckite31.4.9.1(Cu,Zn)15(SO4)4(OH)22 · 6H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Pyromorphite41.8.4.1Pb5(PO4)3Cl
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Redgillite-Cu6(SO4)(OH)10 · H2O

List of minerals for each chemical element

HHydrogen
H HemimorphiteZn4Si2O7(OH)2 · H2O
H LinaritePbCu(SO4)(OH)2
H PosnjakiteCu4(SO4)(OH)6 · H2O
H Aurichalcite(Zn,Cu)5(CO3)2(OH)6
H AzuriteCu3(CO3)2(OH)2
H HydrozinciteZn5(CO3)2(OH)6
H LangiteCu4(SO4)(OH)6 · 2H2O
H LeadhillitePb4(CO3)2(SO4)(OH)2
H RedgilliteCu6(SO4)(OH)10 · H2O
H Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2O
H Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2O
H HydrocerussitePb3(CO3)2(OH)2
H SusannitePb4(CO3)2(SO4)(OH)2
H MalachiteCu2(CO3)(OH)2
H BrochantiteCu4(SO4)(OH)6
CCarbon
C Aurichalcite(Zn,Cu)5(CO3)2(OH)6
C AzuriteCu3(CO3)2(OH)2
C HydrozinciteZn5(CO3)2(OH)6
C LeadhillitePb4(CO3)2(SO4)(OH)2
C CalciteCaCO3
C SideriteFeCO3
C HydrocerussitePb3(CO3)2(OH)2
C SusannitePb4(CO3)2(SO4)(OH)2
C CerussitePbCO3
C MalachiteCu2(CO3)(OH)2
C SmithsoniteZnCO3
OOxygen
O HemimorphiteZn4Si2O7(OH)2 · H2O
O LinaritePbCu(SO4)(OH)2
O PosnjakiteCu4(SO4)(OH)6 · H2O
O AnglesitePbSO4
O Aurichalcite(Zn,Cu)5(CO3)2(OH)6
O AzuriteCu3(CO3)2(OH)2
O HydrozinciteZn5(CO3)2(OH)6
O LangiteCu4(SO4)(OH)6 · 2H2O
O LeadhillitePb4(CO3)2(SO4)(OH)2
O CalciteCaCO3
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O SideriteFeCO3
O RedgilliteCu6(SO4)(OH)10 · H2O
O Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2O
O Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2O
O HydrocerussitePb3(CO3)2(OH)2
O SusannitePb4(CO3)2(SO4)(OH)2
O CerussitePbCO3
O MalachiteCu2(CO3)(OH)2
O BrochantiteCu4(SO4)(OH)6
O SmithsoniteZnCO3
SiSilicon
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si QuartzSiO2
PPhosphorus
P PyromorphitePb5(PO4)3Cl
SSulfur
S LinaritePbCu(SO4)(OH)2
S PosnjakiteCu4(SO4)(OH)6 · H2O
S AnglesitePbSO4
S ChalcopyriteCuFeS2
S GreenockiteCdS
S LangiteCu4(SO4)(OH)6 · 2H2O
S LeadhillitePb4(CO3)2(SO4)(OH)2
S PyriteFeS2
S GalenaPbS
S SphaleriteZnS
S RedgilliteCu6(SO4)(OH)10 · H2O
S Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2O
S Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2O
S SusannitePb4(CO3)2(SO4)(OH)2
S BorniteCu5FeS4
S BrochantiteCu4(SO4)(OH)6
S CovelliteCuS
ClChlorine
Cl PyromorphitePb5(PO4)3Cl
CaCalcium
Ca CalciteCaCO3
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe SideriteFeCO3
Fe BorniteCu5FeS4
CuCopper
Cu LinaritePbCu(SO4)(OH)2
Cu PosnjakiteCu4(SO4)(OH)6 · H2O
Cu Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcopyriteCuFeS2
Cu LangiteCu4(SO4)(OH)6 · 2H2O
Cu RedgilliteCu6(SO4)(OH)10 · H2O
Cu Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2O
Cu Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2O
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2
Cu BorniteCu5FeS4
Cu BrochantiteCu4(SO4)(OH)6
Cu CovelliteCuS
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Zn HydrozinciteZn5(CO3)2(OH)6
Zn SphaleriteZnS
Zn Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2O
Zn Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2O
Zn SmithsoniteZnCO3
CdCadmium
Cd GreenockiteCdS
PbLead
Pb LinaritePbCu(SO4)(OH)2
Pb AnglesitePbSO4
Pb LeadhillitePb4(CO3)2(SO4)(OH)2
Pb GalenaPbS
Pb PyromorphitePb5(PO4)3Cl
Pb HydrocerussitePb3(CO3)2(OH)2
Pb SusannitePb4(CO3)2(SO4)(OH)2
Pb CerussitePbCO3

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rocks & Minerals: 23, 25.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Cwmystwyth_Mines
Wikidata ID:Q5197263

Other Regions, Features and Areas containing this locality

British IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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