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Pengenna Mine, St Kew, Cornwall, England, UKi
Regional Level Types
Pengenna MineMine
St KewCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 34' 35'' North , 4° 45' 26'' West
Latitude & Longitude (decimal):
50.57659,-4.75729
GeoHash:
G#: gbuxexpvg
GRN:
N34W03
UK National Grid Reference:
SX048789
Type:
Mine
KΓΆppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Delabole1,647 (2017)5.5km
Camelford2,335 (2017)7.4km
Wadebridge6,599 (2017)8.6km
Tintagel1,028 (2017)9.6km
Rock1,203 (2017)10.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
British Micromount Society, Devon and Cornwall Branch MeetingsLiskeard, Cornwall25km
Mindat Locality ID:
1314
Long-form identifier:
mindat:1:2:1314:0
GUID (UUID V4):
b500a9a9-34f5-46a8-b0cf-9cdd1e90d218


Specimens of adamite in the Natural History Museum, London supposedly collected here in 1953-55 by Arthur Kingsbury (1906-68) are now considered "implausible" and probably from Lavrion. This is one of a number of likely or definitely falsified Kingsbury localities.

Note on the mineral list: the status of beudantite, carminite, galena, meneghinite, mimetite, and scorodite at this locality has also been changed to "unconfirmed" due to the high probability of fraudulent recording of discovery by A.W.G. Kingsbury.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

β“˜ Adamite ?
Formula: Zn2(AsO4)(OH)
β“˜ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
β“˜ Antimony
Formula: Sb
β“˜ Beudantite ?
Formula: PbFe3(AsO4)(SO4)(OH)6
Colour: yellowish
Description: Kingsbury reference.
β“˜ 'Bindheimite'
Formula: Pb2Sb2O6O
β“˜ Boulangerite
Formula: Pb5Sb4S11
β“˜ Bournonite
Formula: PbCuSbS3
β“˜ Carminite ?
Formula: PbFe3+2(AsO4)2(OH)2
Description: Kingsbury reference.
β“˜ Dundasite
Formula: PbAl2(CO3)2(OH)4 · H2O
β“˜ Galena ?
Formula: PbS
Description: Kingsbury reference.
β“˜ Jamesonite
Formula: Pb4FeSb6S14
β“˜ Meneghinite
Formula: Pb13CuSb7S24
Description: Kingsbury (1965): "Here the mineral is massive and compact, and not readily distinguishable from some of the jamesonite that occurs in the area. The material is fairly fresh, and may well have been taken out in the reopening of the Trewethen adit about 1943 or in a later excavation or trial."
β“˜ Mimetite ?
Formula: Pb5(AsO4)3Cl
Description: Kingsbury reference.
β“˜ Scorodite ?
Formula: Fe3+AsO4 · 2H2O
Description: Kingsbury reference.
β“˜ Siderite
Formula: FeCO3
β“˜ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

FeCO3β“˜ Siderite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Antimony1.CA.05Sb
Group 2 - Sulphides and Sulfosalts
β“˜Galena ?2.CD.10PbS
β“˜Bournonite2.GA.50PbCuSbS3
β“˜'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
β“˜Meneghinite ?2.HB.05bPb13CuSb7S24
β“˜Jamesonite2.HB.15Pb4FeSb6S14
β“˜Boulangerite2.HC.15Pb5Sb4S11
Group 4 - Oxides and Hydroxides
β“˜'Bindheimite'4.DH.20Pb2Sb2O6O
Group 5 - Nitrates and Carbonates
β“˜Siderite5.AB.05FeCO3
β“˜Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
β“˜Dundasite5.DB.10PbAl2(CO3)2(OH)4 Β· H2O
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Adamite ?8.BB.30Zn2(AsO4)(OH)
β“˜Carminite ?8.BH.30PbFe3+2(AsO4)2(OH)2
β“˜Beudantite ?8.BL.05PbFe3(AsO4)(SO4)(OH)6
β“˜Mimetite ?8.BN.05Pb5(AsO4)3Cl
β“˜Scorodite ?8.CD.10Fe3+AsO4 Β· 2H2O

List of minerals for each chemical element

HHydrogen
Hβ“˜ AdamiteZn2(AsO4)(OH)
Hβ“˜ BeudantitePbFe3(AsO4)(SO4)(OH)6
Hβ“˜ CarminitePbFe23+(AsO4)2(OH)2
Hβ“˜ DundasitePbAl2(CO3)2(OH)4 · H2O
Hβ“˜ ScoroditeFe3+AsO4 · 2H2O
CCarbon
Cβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Cβ“˜ DundasitePbAl2(CO3)2(OH)4 · H2O
Cβ“˜ SideriteFeCO3
OOxygen
Oβ“˜ AdamiteZn2(AsO4)(OH)
Oβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Oβ“˜ BeudantitePbFe3(AsO4)(SO4)(OH)6
Oβ“˜ BindheimitePb2Sb2O6O
Oβ“˜ CarminitePbFe23+(AsO4)2(OH)2
Oβ“˜ DundasitePbAl2(CO3)2(OH)4 · H2O
Oβ“˜ MimetitePb5(AsO4)3Cl
Oβ“˜ ScoroditeFe3+AsO4 · 2H2O
Oβ“˜ SideriteFeCO3
MgMagnesium
Mgβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alβ“˜ DundasitePbAl2(CO3)2(OH)4 · H2O
SSulfur
Sβ“˜ BeudantitePbFe3(AsO4)(SO4)(OH)6
Sβ“˜ BoulangeritePb5Sb4S11
Sβ“˜ BournonitePbCuSbS3
Sβ“˜ GalenaPbS
Sβ“˜ JamesonitePb4FeSb6S14
Sβ“˜ MeneghinitePb13CuSb7S24
Sβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Clβ“˜ MimetitePb5(AsO4)3Cl
CaCalcium
Caβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
FeIron
Feβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Feβ“˜ BeudantitePbFe3(AsO4)(SO4)(OH)6
Feβ“˜ CarminitePbFe23+(AsO4)2(OH)2
Feβ“˜ JamesonitePb4FeSb6S14
Feβ“˜ ScoroditeFe3+AsO4 · 2H2O
Feβ“˜ SideriteFeCO3
CuCopper
Cuβ“˜ BournonitePbCuSbS3
Cuβ“˜ MeneghinitePb13CuSb7S24
Cuβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znβ“˜ AdamiteZn2(AsO4)(OH)
AsArsenic
Asβ“˜ AdamiteZn2(AsO4)(OH)
Asβ“˜ BeudantitePbFe3(AsO4)(SO4)(OH)6
Asβ“˜ CarminitePbFe23+(AsO4)2(OH)2
Asβ“˜ MimetitePb5(AsO4)3Cl
Asβ“˜ ScoroditeFe3+AsO4 · 2H2O
SbAntimony
Sbβ“˜ AntimonySb
Sbβ“˜ BindheimitePb2Sb2O6O
Sbβ“˜ BoulangeritePb5Sb4S11
Sbβ“˜ BournonitePbCuSbS3
Sbβ“˜ JamesonitePb4FeSb6S14
Sbβ“˜ MeneghinitePb13CuSb7S24
Sbβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
PbLead
Pbβ“˜ BeudantitePbFe3(AsO4)(SO4)(OH)6
Pbβ“˜ BindheimitePb2Sb2O6O
Pbβ“˜ BoulangeritePb5Sb4S11
Pbβ“˜ BournonitePbCuSbS3
Pbβ“˜ CarminitePbFe23+(AsO4)2(OH)2
Pbβ“˜ DundasitePbAl2(CO3)2(OH)4 · H2O
Pbβ“˜ GalenaPbS
Pbβ“˜ JamesonitePb4FeSb6S14
Pbβ“˜ MeneghinitePb13CuSb7S24
Pbβ“˜ MimetitePb5(AsO4)3Cl

Geochronology

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
β“˜ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
β“˜ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
β“˜ Greisenization (latest age)~280 MaCornwall, England, UK
β“˜ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
β“˜ Formation of metallized pegmatites~285 MaCornwall, England, UK
β“˜ Greisenization (earliest age)~285 MaCornwall, England, UK
β“˜ 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.

References

Kingsbury, Arthur W. G., Hartley, J. (1960) Carminite and beudantite from the northern part of the Lake District and from Cornwall. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (249) 423-432 doi:10.1180/minmag.1960.032.249.01
Kingsbury, A.W.G. (1965) Tellurbismuth and meneghinite, two minerals new to Britain. Mineralogical Magazine and Journal of the Mineralogical Society, 35 (270) 424-426 doi:10.1180/minmag.1965.035.270.19
Clayton, R.E. and Spiro, B. (2000) Sulphur, carbon and oxygen isotope studies of early Variscan mineralisation and Pb-Sb vein deposits in the Cornubian orefield: implications for the scale of fluid movements during Variscan deformation. Mineralium Deposita 35, 315-331.
Ryback, G., Hart, A.D. and Stanley, C.J. (2001) Journal of the Russell Society, Vol 7, Part 2.
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