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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Wheal Alfred, Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UKi
Regional Level Types
Wheal AlfredMine
Great Wheal Alfred (Alfred Consols)Mine (Abandoned)
HayleCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 11' 1'' North , 5° 23' 35'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW578371
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Hayle8,210 (2017)2.0km
Uny Lelant1,056 (2017)3.4km
Leedstown267 (2017)3.7km
St Ives9,966 (2017)7.3km
Camborne22,500 (2012)7.6km
Mindat Locality ID:
955
Long-form identifier:
mindat:1:2:955:4
GUID (UUID V4):
0


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


27 valid minerals.

Detailed Mineral List:

Agardite-(Ce)
Formula: CeCu6(AsO4)3(OH)6 · 3H2O
Agardite-(La)
Formula: LaCu6(AsO4)3(OH)6 · 3H2O
Agardite-(Nd)
Formula: NdCu6(AsO4)3(OH)6 · 3H2O
Description: Pale-green fibres, resembling aurichalcite and giving the powder-pattern of mixite (q.v.), on mimetite in quartz on old specimens in the BM(NH).
Agardite-(Y)
Formula: YCu6(AsO4)3(OH)6 · 3H2O
Bayldonite ?
Formula: PbCu3(AsO4)2(OH)2
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
Cassiterite
Formula: SnO2
Cerussite
Formula: PbCO3
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Chlorargyrite
Formula: AgCl
Cuprite
Formula: Cu2O
Fluorite
Formula: CaF2
Galena
Formula: PbS
Malachite
Formula: Cu2(CO3)(OH)2
Mimetite
Formula: Pb5(AsO4)3Cl
Mixite
Formula: BiCu6(AsO4)3(OH)6 · 3H2O
Native Silver
Formula: Ag
Description: A small quantity of native silver was discovered in 1813, appearing "as if plated on the copper ore" (Carne, 1818). On other specimens, the silver was embedded in malachite (Phillips, 1823; Hogg, 1825).
References:
Opal
Formula: SiO2 · nH2O
Plumbogummite
Formula: PbAl3(PO4)(PO3OH)(OH)6
Pyrite
Formula: FeS2
Pyromorphite
Formula: Pb5(PO4)3Cl
Quartz
Formula: SiO2
Quartz var. Chalcedony
Formula: SiO2
Quartz var. Rock Crystal
Formula: SiO2
Sphalerite
Formula: ZnS
Stephanite
Formula: Ag5SbS4
Tenorite
Formula: CuO
'Tetrahedrite Group'
Formula: M2(A6)M1(B4 C2)X3(D4)S1(Y12)S2(Z)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Bornite2.BA.15Cu5FeS4
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Stephanite2.GB.10Ag5SbS4
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Tenorite4.AB.10CuO
Quartz
var. Chalcedony
4.DA.05SiO2
4.DA.05SiO2
var. Rock Crystal4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Cassiterite4.DB.05SnO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
Bayldonite ?8.BH.45PbCu3(AsO4)2(OH)2
Plumbogummite8.BL.10PbAl3(PO4)(PO3OH)(OH)6
Mimetite8.BN.05Pb5(AsO4)3Cl
Pyromorphite8.BN.05Pb5(PO4)3Cl
Agardite-(Nd)8.DL.15NdCu6(AsO4)3(OH)6 · 3H2O
Agardite-(Y)8.DL.15YCu6(AsO4)3(OH)6 · 3H2O
Agardite-(Ce)8.DL.15CeCu6(AsO4)3(OH)6 · 3H2O
Agardite-(La)8.DL.15LaCu6(AsO4)3(OH)6 · 3H2O
Mixite8.DL.15BiCu6(AsO4)3(OH)6 · 3H2O
Unclassified
'Tetrahedrite Group'-M2(A6)M1(B4 C2)X3(D4)S1(Y12)S2(Z)

List of minerals for each chemical element

HHydrogen
H Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2O
H Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
H Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2O
H Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
H BayldonitePbCu3(AsO4)2(OH)2
H MalachiteCu2(CO3)(OH)2
H MixiteBiCu6(AsO4)3(OH)6 · 3H2O
H OpalSiO2 · nH2O
H PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
CCarbon
C CalciteCaCO3
C CerussitePbCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2O
O Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
O Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2O
O Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
O BayldonitePbCu3(AsO4)2(OH)2
O CalciteCaCO3
O CassiteriteSnO2
O CerussitePbCO3
O Quartz var. ChalcedonySiO2
O CupriteCu2O
O MalachiteCu2(CO3)(OH)2
O MimetitePb5(AsO4)3Cl
O MixiteBiCu6(AsO4)3(OH)6 · 3H2O
O OpalSiO2 · nH2O
O PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O TenoriteCuO
O Quartz var. Rock CrystalSiO2
FFluorine
F FluoriteCaF2
AlAluminium
Al PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
SiSilicon
Si Quartz var. ChalcedonySiO2
Si OpalSiO2 · nH2O
Si QuartzSiO2
Si Quartz var. Rock CrystalSiO2
PPhosphorus
P PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
P PyromorphitePb5(PO4)3Cl
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
S StephaniteAg5SbS4
S Tetrahedrite GroupM2(A6)M1(B4 C2)X3(D4)S1(Y12)S2(Z)
ClChlorine
Cl ChlorargyriteAgCl
Cl MimetitePb5(AsO4)3Cl
Cl PyromorphitePb5(PO4)3Cl
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
CuCopper
Cu Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2O
Cu Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
Cu Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2O
Cu Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
Cu BayldonitePbCu3(AsO4)2(OH)2
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu CupriteCu2O
Cu MalachiteCu2(CO3)(OH)2
Cu MixiteBiCu6(AsO4)3(OH)6 · 3H2O
Cu TenoriteCuO
ZnZinc
Zn SphaleriteZnS
AsArsenic
As Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2O
As Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
As Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2O
As Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
As BayldonitePbCu3(AsO4)2(OH)2
As MimetitePb5(AsO4)3Cl
As MixiteBiCu6(AsO4)3(OH)6 · 3H2O
YYttrium
Y Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
AgSilver
Ag ChlorargyriteAgCl
Ag Native SilverAg
Ag StephaniteAg5SbS4
SnTin
Sn CassiteriteSnO2
SbAntimony
Sb StephaniteAg5SbS4
LaLanthanum
La Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
CeCerium
Ce Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2O
NdNeodymium
Nd Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2O
PbLead
Pb BayldonitePbCu3(AsO4)2(OH)2
Pb CerussitePbCO3
Pb GalenaPbS
Pb MimetitePb5(AsO4)3Cl
Pb PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
Pb PyromorphitePb5(PO4)3Cl
BiBismuth
Bi MixiteBiCu6(AsO4)3(OH)6 · 3H2O

Geochronology

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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.

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