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Wheal Hazard, Botallack Mine, Botallack, St Just, Cornwall, England, UKi
Regional Level Types
Wheal HazardMine (Abandoned)
Botallack MineMine (Abandoned)
BotallackVillage
St JustCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Key
Latitude & Longitude (WGS84):
50° 8' 31'' North , 5° 41' 28'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW363335
Locality type:
Mine (Abandoned) - last checked 2020
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
St Just1,957 (2017)2.2km
Madron626 (2017)9.1km
Penzance19,872 (2017)11.3km
Mousehole697 (2017)12.7km
Marazion1,294 (2017)15.5km


The coordinates are those of Hazard shaft. There is no dump however, that can be specifically related to these workings. The minerals listed are those reported from the Hazard Section of Botallack Mine.

Material originally listed as Heulandite from Hazard is probably Clinoptilolite-Ca - See J. Russell Soc. 2006 p 68

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


33 valid minerals.

Detailed Mineral List:

Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Antlerite
Formula: Cu3(SO4)(OH)4
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Aragonite
Formula: CaCO3
Reference: Steve Rust collection
Botallackite
Formula: Cu2(OH)3Cl
Reference: Steve Rust collection
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Richard De Nul collection
Cassiterite
Formula: SnO2
Reference: Henwood, W.J. (1843): Transactions of the Royal Geological Society of Cornwall 5, 1-386.
Chalcanthite ?
Formula: CuSO4 · 5H2O
Description: (not analyzed)
Reference: Richard De Nul collection
Chalcocite
Formula: Cu2S
Reference: Henwood, W.J. (1843): Transactions of the Royal Geological Society of Cornwall 5, 1-386.
Chalcophyllite
Formula: Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Chalcopyrite
Formula: CuFeS2
Reference: Richard De Nul collection
Chlorargyrite ?
Formula: AgCl
Description: (not analyzed)
Reference: Richard De Nul collection
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Richard De Nul collection
Clinoclase
Formula: Cu3(AsO4)(OH)3
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Clinoptilolite-Ca
Formula: Ca3(Si30Al6)O72·20H2O
Reference: J.Russell Socierty 2006, 68-71
'Clinoptilolite-Ca-Heulandite-Ca Series'
Reference: Paul Oldfield
Connellite
Formula: Cu19(SO4)(OH)32Cl4 · 3H2O
Reference: Richard De Nul collection
Cuprite
Formula: Cu2O
Description: Microscopic crystals
Reference: Richard De Nul collection
Cyanotrichite
Formula: Cu4Al2(SO4)(OH)12 · 2H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Devilline
Formula: CaCu4(SO4)2(OH)6 · 3H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Goethite
Formula: α-Fe3+O(OH)
Reference: Henwood, W.J. (1843): Transactions of the Royal Geological Society of Cornwall 5, 1-386.
Gypsum ?
Formula: CaSO4 · 2H2O
Description: (not analyzed)
Reference: Richard De Nul collection
'Heulandite'
Description: Most samples of 'heulandite' have been shown to be Clinoptilolite-Ca, with a few being Heulandite-Ca, and one being Heulandite-K.
Reference: J. Russell Socierty 2006, 68-71
Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
Reference: J. Russell Socierty 2006, 68-71
Heulandite-K
Formula: (K,Ca,Na)5(Si27Al9)O72 · 26H2O
Reference: J. Russell Socierty 2006, 68-71
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Kröhnkite
Formula: Na2Cu(SO4)2 · 2H2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Reference: Richard De Nul collection
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Steve Rust collection
Paratacamite
Formula: Cu3(Cu,Zn)(OH)6Cl2
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
Posnjakite ?
Formula: Cu4(SO4)(OH)6 · H2O
Description: (not analyzed)
Reference: Richard De Nul collection
Pyrite
Formula: FeS2
Reference: Henwood, W.J. (1843): Transactions of the Royal Geological Society of Cornwall 5, 1-386.
Pyrolusite
Formula: Mn4+O2
Reference: Andrew Haighton Collection
Quartz
Formula: SiO2
Reference: Henwood, W.J. (1843): Transactions of the Royal Geological Society of Cornwall 5, 1-386.
Stannite
Formula: Cu2FeSnS4
Reference: Boase, H.S. (1922): Transactions of the Royal Geological Society of Cornwall 2, 383-403
Woodwardite
Formula: Cu1-xAlx(OH)2(SO4)x/2 · nH2O
Reference: Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Stannite2.CB.15aCu2FeSnS4
Group 3 - Halides
Botallackite3.DA.10bCu2(OH)3Cl
Chlorargyrite ?3.AA.15AgCl
Connellite3.DA.25Cu19(SO4)(OH)32Cl4 · 3H2O
Paratacamite3.DA.10cCu3(Cu,Zn)(OH)6Cl2
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Cuprite4.AA.10Cu2O
Goethite4.00.α-Fe3+O(OH)
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Antlerite7.BB.15Cu3(SO4)(OH)4
Brochantite7.BB.25Cu4(SO4)(OH)6
Chalcanthite ?7.CB.20CuSO4 · 5H2O
Cyanotrichite7.DE.10Cu4Al2(SO4)(OH)12 · 2H2O
Devilline7.DD.30CaCu4(SO4)2(OH)6 · 3H2O
Gypsum ?7.CD.40CaSO4 · 2H2O
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Kröhnkite7.CC.30Na2Cu(SO4)2 · 2H2O
Langite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Posnjakite ?7.DD.10Cu4(SO4)(OH)6 · H2O
Woodwardite7.DD.35Cu1-xAlx(OH)2(SO4)x/2 · nH2O
Group 8 - Phosphates, Arsenates and Vanadates
Chalcophyllite8.DF.30Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Clinoclase8.BE.20Cu3(AsO4)(OH)3
Group 9 - Silicates
Allophane9.ED.20(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Clinoptilolite-Ca9.GE.05Ca3(Si30Al6)O72·20H2O
Heulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Heulandite-K9.GE.05(K,Ca,Na)5(Si27Al9)O72 · 26H2O
Unclassified Minerals, Rocks, etc.
'Clinoptilolite-Ca-Heulandite-Ca Series'-
'Heulandite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Stannite2.9.2.1Cu2FeSnS4
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX2
Cassiterite4.4.1.5SnO2
Pyrolusite4.4.1.4Mn4+O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX
Chlorargyrite ?9.1.4.1AgCl
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Botallackite10.1.3.1Cu2(OH)3Cl
Paratacamite10.1.2.1Cu3(Cu,Zn)(OH)6Cl2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
A2B(XO4)2·xH2O
Kröhnkite29.3.2.1Na2Cu(SO4)2 · 2H2O
AXO4·xH2O
Chalcanthite ?29.6.7.1CuSO4 · 5H2O
Gypsum ?29.6.3.1CaSO4 · 2H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Antlerite30.1.12.1Cu3(SO4)(OH)4
Brochantite30.1.3.1Cu4(SO4)(OH)6
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq·xH2O, where m:p > 6:1
Connellite31.1.1.1Cu19(SO4)(OH)32Cl4 · 3H2O
(AB)6(XO4)Zq·xH2O
Cyanotrichite31.2.1.1Cu4Al2(SO4)(OH)12 · 2H2O
Woodwardite31.2.2.1Cu1-xAlx(OH)2(SO4)x/2 · nH2O
(AB)4(XO4)Zq·xH2O
Langite31.4.3.1Cu4(SO4)(OH)6 · 2H2O
Posnjakite ?31.4.1.1Cu4(SO4)(OH)6 · H2O
(AB)5(XO4)2Zq·xH2O
Devilline31.6.1.1CaCu4(SO4)2(OH)6 · 3H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)Zq
Clinoclase41.3.1.1Cu3(AsO4)(OH)3
Group 43 - COMPOUND PHOSPHATES, ETC.
Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
Chalcophyllite43.5.14.1Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Allophane71.1.5.1(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Heulandite-Ca77.1.4.1(Ca,Na)5(Si27Al9)O72 · 26H2O
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
Clinoptilolite-Ca-Ca3(Si30Al6)O72·20H2O
'Clinoptilolite-Ca-Heulandite-Ca Series'-
'Heulandite'-
Heulandite-K-(K,Ca,Na)5(Si27Al9)O72 · 26H2O

List of minerals for each chemical element

HHydrogen
H ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
H ClinoclaseCu3(AsO4)(OH)3
H CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
H DevillineCaCu4(SO4)2(OH)6 · 3H2O
H AntleriteCu3(SO4)(OH)4
H JarositeKFe3+ 3(SO4)2(OH)6
H KröhnkiteNa2Cu(SO4)2 · 2H2O
H BotallackiteCu2(OH)3Cl
H BrochantiteCu4(SO4)(OH)6
H ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
H LangiteCu4(SO4)(OH)6 · 2H2O
H Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
H ParatacamiteCu3(Cu,Zn)(OH)6Cl2
H MalachiteCu2(CO3)(OH)2
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
H Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
H Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
H Goethiteα-Fe3+O(OH)
H WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
H ChalcanthiteCuSO4 · 5H2O
H GypsumCaSO4 · 2H2O
H PosnjakiteCu4(SO4)(OH)6 · H2O
CCarbon
C MalachiteCu2(CO3)(OH)2
C AragoniteCaCO3
OOxygen
O ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
O ClinoclaseCu3(AsO4)(OH)3
O CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
O DevillineCaCu4(SO4)2(OH)6 · 3H2O
O AntleriteCu3(SO4)(OH)4
O JarositeKFe3+ 3(SO4)2(OH)6
O KröhnkiteNa2Cu(SO4)2 · 2H2O
O BotallackiteCu2(OH)3Cl
O BrochantiteCu4(SO4)(OH)6
O ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
O CupriteCu2O
O LangiteCu4(SO4)(OH)6 · 2H2O
O Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
O ParatacamiteCu3(Cu,Zn)(OH)6Cl2
O QuartzSiO2
O MalachiteCu2(CO3)(OH)2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O AragoniteCaCO3
O Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
O Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
O Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
O CassiteriteSnO2
O Goethiteα-Fe3+O(OH)
O PyrolusiteMn4+O2
O WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
O ChalcanthiteCuSO4 · 5H2O
O GypsumCaSO4 · 2H2O
O PosnjakiteCu4(SO4)(OH)6 · H2O
NaSodium
Na KröhnkiteNa2Cu(SO4)2 · 2H2O
Na Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Na Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
AlAluminium
Al ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Al CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
Al Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
Al Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Al Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
Al WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
SiSilicon
Si Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Si QuartzSiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
Si Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Si Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
SSulfur
S ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
S CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
S DevillineCaCu4(SO4)2(OH)6 · 3H2O
S AntleriteCu3(SO4)(OH)4
S JarositeKFe3+ 3(SO4)2(OH)6
S KröhnkiteNa2Cu(SO4)2 · 2H2O
S BrochantiteCu4(SO4)(OH)6
S ChalcopyriteCuFeS2
S ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
S PyriteFeS2
S LangiteCu4(SO4)(OH)6 · 2H2O
S ChalcociteCu2S
S StanniteCu2FeSnS4
S WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
S ChalcanthiteCuSO4 · 5H2O
S GypsumCaSO4 · 2H2O
S PosnjakiteCu4(SO4)(OH)6 · H2O
ClChlorine
Cl BotallackiteCu2(OH)3Cl
Cl ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cl ParatacamiteCu3(Cu,Zn)(OH)6Cl2
Cl ChlorargyriteAgCl
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
K Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
CaCalcium
Ca DevillineCaCu4(SO4)2(OH)6 · 3H2O
Ca AragoniteCaCO3
Ca Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
Ca Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Ca Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
Ca GypsumCaSO4 · 2H2O
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe Goethiteα-Fe3+O(OH)
Fe StanniteCu2FeSnS4
CuCopper
Cu ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Cu ClinoclaseCu3(AsO4)(OH)3
Cu CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
Cu DevillineCaCu4(SO4)2(OH)6 · 3H2O
Cu AntleriteCu3(SO4)(OH)4
Cu KröhnkiteNa2Cu(SO4)2 · 2H2O
Cu BotallackiteCu2(OH)3Cl
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcopyriteCuFeS2
Cu ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cu CupriteCu2O
Cu LangiteCu4(SO4)(OH)6 · 2H2O
Cu ParatacamiteCu3(Cu,Zn)(OH)6Cl2
Cu MalachiteCu2(CO3)(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu ChalcociteCu2S
Cu StanniteCu2FeSnS4
Cu WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
Cu ChalcanthiteCuSO4 · 5H2O
Cu PosnjakiteCu4(SO4)(OH)6 · H2O
ZnZinc
Zn ParatacamiteCu3(Cu,Zn)(OH)6Cl2
AsArsenic
As ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
As ClinoclaseCu3(AsO4)(OH)3
AgSilver
Ag ChlorargyriteAgCl
SnTin
Sn CassiteriteSnO2
Sn StanniteCu2FeSnS4

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Dyer, A., Green, D.I., Tindle, A.G., and Williams, C.J. (2006) Clinoptilolite and heulandite from Wheal Hazard, St Just, Cornwall. Journal of the Russell Society, vol. 9, 68-72.

Other Regions, Features and Areas containing this locality

British IslesGroup of Islands
Eurasian PlateTectonic Plate
UK

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