Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Ponterwyd, Trefeirig, Ceredigion, Wales, UKi
Regional Level Types
PonterwydVillage
TrefeirigCommunity
CeredigionCounty
WalesCountry
UKCountry

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Latitude & Longitude (WGS84):
52° 24' 41'' North , 3° 50' 24'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
54476
Long-form identifier:
mindat:1:2:54476:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Dyfed; Cardiganshire


Probably identical to Ponterwyd, Cwmrheidol, Ceredigion.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

25 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Habit: Tabular, twinned
Colour: White-colourless
Description: Colourless to white xls to 0.5mm, associated with apatite, rutile, quartz
References:
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Habit: Tabular
Colour: Colourless-white
References:
Brochantite
Formula: Cu4(SO4)(OH)6
Habit: Thin bladed
Colour: Emerald green
Caledonite
Formula: Pb5Cu2(SO4)3(CO3)(OH)6
Habit: Thin drusey crusts
Colour: light blue
Description: Light blue xls to 0.4mm associated with hemimorphite.
References:
Cerussite
Formula: PbCO3
Chalcophanite
Formula: ZnMn4+3O7 · 3H2O
Chalcopyrite
Formula: CuFeS2
Habit: Sphenoidal crystals, massive
Description: Very rare crystals to 6mm.
'Chlorite Group'
References:
Steve Rust collectionIdentified by Steve Rust: Visual Identification
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Dolomite
Formula: CaMg(CO3)2
Habit: Massive
Colour: White-creamy, brown
Galena
Formula: PbS
Goethite
Formula: Fe3+O(OH)
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Habit: Bladed groups
Colour: Colourless
Description: Colourless bladed xls to 2mm
References:
Jamborite ?
Formula: Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O
Habit: Crusts
Colour: Yellowish green
Description: Occurs as a replacement of millerite
References:
'Limonite'
Linarite
Formula: PbCu(SO4)(OH)2
Habit: Bladed
Lithiophorite
Formula: (Al,Li)MnO2(OH)2
'Manganese Oxides'
Marcasite
Formula: FeS2
Habit: Tabular, bladed
References:
Millerite
Formula: NiS
'Monazite Group'
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: Thin platy rossets
Description: Off white crystal rossets to 1mm, commly staind yellow and red by Fe oxides.
References:
Pyrite
Formula: FeS2
Habit: Cubic
Description: Large poorly crystalline masses with marcasite to 20cms + from the dumps. Very unstable specimens should be treated to retard pyrite/marcasite rot.
Pyrolusite
Formula: Mn4+O2
Pyromorphite
Formula: Pb5(PO4)3Cl
Habit: Prismatic
Colour: White-colourless, colour zoned colourless and brown.
References:
Quartz
Formula: SiO2
Ramsdellite
Formula: Mn4+O2
Rutile
Formula: TiO2
References:
Smithsonite
Formula: ZnCO3
Habit: Botryoidal
Colour: White
Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Millerite2.CC.20NiS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Quartz4.DA.05SiO2
Pyrolusite4.DB.05Mn4+O2
Rutile4.DB.05TiO2
Ramsdellite4.DB.15aMn4+O2
Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Lithiophorite4.FE.25(Al,Li)MnO2(OH)2
Jamborite ?4.FL.05Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O
Chalcophanite4.FL.20ZnMn4+3O7 · 3H2O
Group 5 - Nitrates and Carbonates
Smithsonite5.AB.05ZnCO3
Dolomite5.AB.10CaMg(CO3)2
Cerussite5.AB.15PbCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Brochantite7.BB.25Cu4(SO4)(OH)6
Caledonite7.BC.50Pb5Cu2(SO4)3(CO3)(OH)6
Linarite7.BC.65PbCu(SO4)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
Pyromorphite8.BN.05Pb5(PO4)3Cl
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Chlorite Group'-
'Limonite'-
'Monazite Group'-REE(PO4)
'Manganese Oxides'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
H BrochantiteCu4(SO4)(OH)6
H CaledonitePb5Cu2(SO4)3(CO3)(OH)6
H ChalcophaniteZnMn34+O7 · 3H2O
H GoethiteFe3+O(OH)
H HemimorphiteZn4Si2O7(OH)2 · H2O
H JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
H LinaritePbCu(SO4)(OH)2
H Lithiophorite(Al,Li)MnO2(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Li Lithiophorite(Al,Li)MnO2(OH)2
CCarbon
C CaledonitePb5Cu2(SO4)3(CO3)(OH)6
C CerussitePbCO3
C DolomiteCaMg(CO3)2
C SmithsoniteZnCO3
OOxygen
O AlbiteNa(AlSi3O8)
O BrochantiteCu4(SO4)(OH)6
O CaledonitePb5Cu2(SO4)3(CO3)(OH)6
O CerussitePbCO3
O ChalcophaniteZnMn34+O7 · 3H2O
O CryptomelaneK(Mn74+Mn3+)O16
O DolomiteCaMg(CO3)2
O GoethiteFe3+O(OH)
O HemimorphiteZn4Si2O7(OH)2 · H2O
O JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
O LinaritePbCu(SO4)(OH)2
O Lithiophorite(Al,Li)MnO2(OH)2
O Monazite GroupREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O PyrolusiteMn4+O2
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O RamsdelliteMn4+O2
O RutileTiO2
O SmithsoniteZnCO3
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Lithiophorite(Al,Li)MnO2(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
PPhosphorus
P Monazite GroupREE(PO4)
P PyromorphitePb5(PO4)3Cl
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BrochantiteCu4(SO4)(OH)6
S CaledonitePb5Cu2(SO4)3(CO3)(OH)6
S ChalcopyriteCuFeS2
S GalenaPbS
S JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
S LinaritePbCu(SO4)(OH)2
S MarcasiteFeS2
S MilleriteNiS
S PyriteFeS2
S SphaleriteZnS
ClChlorine
Cl PyromorphitePb5(PO4)3Cl
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K CryptomelaneK(Mn74+Mn3+)O16
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti RutileTiO2
MnManganese
Mn ChalcophaniteZnMn34+O7 · 3H2O
Mn CryptomelaneK(Mn74+Mn3+)O16
Mn Lithiophorite(Al,Li)MnO2(OH)2
Mn PyrolusiteMn4+O2
Mn RamsdelliteMn4+O2
FeIron
Fe ChalcopyriteCuFeS2
Fe GoethiteFe3+O(OH)
Fe MarcasiteFeS2
Fe PyriteFeS2
CoCobalt
Co JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
NiNickel
Ni JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
Ni MilleriteNiS
CuCopper
Cu BrochantiteCu4(SO4)(OH)6
Cu CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Cu ChalcopyriteCuFeS2
Cu LinaritePbCu(SO4)(OH)2
ZnZinc
Zn ChalcophaniteZnMn34+O7 · 3H2O
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn SmithsoniteZnCO3
Zn SphaleriteZnS
PbLead
Pb CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Pb CerussitePbCO3
Pb GalenaPbS
Pb LinaritePbCu(SO4)(OH)2
Pb PyromorphitePb5(PO4)3Cl

Localities in this Region

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent

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