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Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UKi
Regional Level Types
Grylls BunnyOpen-Cast Mine (Abandoned)
Botallack MineMine (Abandoned)
BotallackVillage
St JustCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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PhotosMapsSearchMineralogy
05561750017905414996193.jpg
Band of Schorl

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
07346940017915309918473.jpg
Adit Portal

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
01321960017915309925743.jpg
One of the adits on the way to engine house

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
02476380017830110088365.jpg
Band of Schorl

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
04111540017830109788153.jpg
Adit Portal

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
04089080017731582066739.jpg
One of the adits on the way to engine house

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
09115170017836723484766.jpg
Band of Schorl

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
02360770017836723496126.jpg
Adit Portal

Grylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
Latitude & Longitude (WGS84):
50° 8' 31'' North , 5° 41' 24'' West
Latitude & Longitude (decimal):
50.14222,-5.69000
GRN:
N34W03
UK National Grid Reference:
SW364335
Type:
Open-Cast Mine (Abandoned) - last checked 2020
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
St Just1,957 (2017)2.2km
Madron626 (2017)9.0km
Penzance19,872 (2017)11.2km
Mousehole697 (2017)12.6km
Marazion1,294 (2017)15.4km
Mindat Locality ID:
1274
Long-form identifier:
mindat:1:2:1274:7
GUID (UUID V4):
0


Old open-cast working on a stockwork-like tin deposit.

Two types of skarn at Grylls Bunny (garnet skarn and amphibole skarn) show different successions at different locations: (1) horizontal layers of cassiterite mineralisation called tin floors and (2) skarn with magnetite mineralisation.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


23 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Alkali Feldspar'
ⓘ 'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ 'Axinite Group'
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Calcium Amphibole Subgroup'
Formula: AnCa2(C2+5-mC3+m)(Si8-(n+m)Al(n+m))W2
ⓘ 'Calcium Amphibole Subgroup var. Hornblende'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
ⓘ Cassiterite
Formula: SnO2
ⓘ 'Chlorite Group'
ⓘ Cordierite
Formula: Mg2Al4Si5O18
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Feldspar Group'
ⓘ Feruvite
Formula: CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
ⓘ Fluorite
Formula: CaF2
ⓘ 'Fluor-uvite-Uvite Series'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
ⓘ Hedenbergite
Formula: CaFe2+Si2O6
ⓘ Hematite
Formula: Fe2O3
ⓘ Hydrobiotite
Formula: K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Spinel
Formula: MgAl2O4
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Ulvöspinel
Formula: TiFe2+2O4

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite
var. Titanium-bearing Magnetite		4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘUlvöspinel4.BB.05TiFe2+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘCassiterite4.DB.05SnO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘCordierite9.CJ.10Mg2Al4Si5O18
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘFeruvite9.CK.05CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘHedenbergite9.DA.15CaFe2+Si2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘHydrobiotite9.EC.60K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Amphibole Supergroup'-AB2C5(T8O22)W2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Calcium Amphibole Subgroup
var. Hornblende'		-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Fluor-uvite-Uvite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Axinite Group'-
ⓘ'Calcium Amphibole Subgroup'-AnCa2(C2+5-mC3+m)(Si8-(n+m)Al(n+m))W2

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Hⓘ HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Fluor-uvite-Uvite Series
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Bⓘ Fluor-uvite-Uvite Series
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Amphibole SupergroupAB2C5(T8O22)W2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ CassiteriteSnO2
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ CordieriteMg2Al4Si5O18
Oⓘ DiopsideCaMgSi2O6
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ HedenbergiteCaFe2+Si2O6
Oⓘ HematiteFe2O3
Oⓘ Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Oⓘ HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SpinelMgAl2O4
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ UlvöspinelTiFe22+O4
Oⓘ Fluor-uvite-Uvite Series
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3A
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluoriteCaF2
Fⓘ Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Fⓘ Fluor-uvite-Uvite Series
NaSodium
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ CordieriteMg2Al4Si5O18
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mgⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Mgⓘ HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Mgⓘ SpinelMgAl2O4
Mgⓘ Fluor-uvite-Uvite Series
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ CordieriteMg2Al4Si5O18
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Alⓘ HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ SpinelMgAl2O4
Alⓘ Fluor-uvite-Uvite Series
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Calcium Amphibole SubgroupAnCa2(C2+5-mCm3+)(Si8-(n+m)Al(n+m))W2
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ CordieriteMg2Al4Si5O18
Siⓘ DiopsideCaMgSi2O6
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ HedenbergiteCaFe2+Si2O6
Siⓘ Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Siⓘ HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Fluor-uvite-Uvite Series
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Calcium Amphibole SubgroupAnCa2(C2+5-mCm3+)(Si8-(n+m)Al(n+m))W2
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3A
ClChlorine
Clⓘ Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Caⓘ FluoriteCaF2
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ HedenbergiteCaFe2+Si2O6
Caⓘ Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Caⓘ ScheeliteCa(WO4)
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ Fluor-uvite-Uvite Series
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3A
Caⓘ Calcium Amphibole SubgroupAnCa2(C2+5-mCm3+)(Si8-(n+m)Al(n+m))W2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ UlvöspinelTiFe22+O4
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Feⓘ HedenbergiteCaFe2+Si2O6
Feⓘ HematiteFe2O3
Feⓘ HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ UlvöspinelTiFe22+O4
SnTin
Snⓘ CassiteriteSnO2
WTungsten
Wⓘ ScheeliteCa(WO4)

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
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

Hawkins, J. (1822) On the stratified deposits of tin-stone called tin-floors, and on the diffusion of tin-stone through the mass of some primitive rocks. Transactions of the Royal Geological Society of Cornwall, 2, 29-48.
Embrey, Peter G., Symes, Robert F. (1987) Minerals of Cornwall and Devon. British Museum (Natural History) and the Mineralogical Record, Inc., London and Tucson, AZ.
[1]Kirat, E (2022) Magnetite Composition in Skarns Associated with the Land's End Granite, SW England. University of Exeter.
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