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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Banwell Hill, Banwell, North Somerset, England, UKi
Regional Level Types
Banwell HillHill
BanwellCivil Parish
North SomersetUnitary Authority
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
51° 19' 24'' North , 2° 52' 47'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
ST387587
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Banwell1,956 (2017)1.0km
Christon202 (2011)1.7km
Locking1,742 (2017)2.6km
Winscombe4,546 (2017)3.3km
Sandford2,135 (2016)3.5km
Mindat Locality ID:
224693
Long-form identifier:
mindat:1:2:224693:5
GUID (UUID V4):
0


Agate geodes (Potato stones) to be found on exposures flanking the hill with associated mineralisation occurring either inside the stones or on the outer layer.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Baryte
Formula: BaSO4
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
Celestine
Formula: SrSO4
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Dolomite
Formula: CaMg(CO3)2
Galena
Formula: PbS
Goethite
Formula: Fe3+O(OH)
Gypsum
Formula: CaSO4 · 2H2O
Hematite
Formula: Fe2O3
'Limonite'
Malachite
Formula: Cu2(CO3)(OH)2
Pyrolusite
Formula: Mn4+O2
Quartz
Formula: SiO2
Quartz var. Agate
Formula: SiO2
Quartz var. Amethyst
Formula: SiO2
Quartz var. Chalcedony
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Siderite
Formula: FeCO3
Sphalerite
Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Hematite4.CB.05Fe2O3
Quartz
var. Agate
4.DA.05SiO2
var. Amethyst4.DA.05SiO2
var. Chalcedony4.DA.05SiO2
4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
Pyrolusite4.DB.05Mn4+O2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Celestine7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O
Unclassified
'Chlorite Group'-
'Limonite'-

List of minerals for each chemical element

HHydrogen
H GoethiteFe3+O(OH)
H GypsumCaSO4 · 2H2O
H MalachiteCu2(CO3)(OH)2
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O Quartz var. AgateSiO2
O Quartz var. AmethystSiO2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O CalciteCaCO3
O CelestineSrSO4
O Quartz var. ChalcedonySiO2
O DolomiteCaMg(CO3)2
O GoethiteFe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O MalachiteCu2(CO3)(OH)2
O PyrolusiteMn4+O2
O QuartzSiO2
O SideriteFeCO3
O Quartz var. Smoky QuartzSiO2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
SiSilicon
Si Quartz var. AgateSiO2
Si Quartz var. AmethystSiO2
Si Quartz var. ChalcedonySiO2
Si QuartzSiO2
Si Quartz var. Smoky QuartzSiO2
SSulfur
S BaryteBaSO4
S BorniteCu5FeS4
S CelestineSrSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S GypsumCaSO4 · 2H2O
S SphaleriteZnS
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe SideriteFeCO3
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
SrStrontium
Sr CelestineSrSO4
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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