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St Helier, Jerseyi
Regional Level Types
St Helier- not defined -
JerseyCrown Dependency

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Key
Largest Settlements:
PlacePopulation
Saint Helier28,000 (2018)


Paleozoic peralkaline minette dyke.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Channel IslandsGroup of Islands

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

16 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
'Alkali Feldspar'
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Description: Ti-bearing arfvedsonite.
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Calcite
Formula: CaCO3
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
'Chlorite Group'
Reference: Bishop, A.C., Couper, A.G., Mourant, A.E. (1982) Re-examination of the alleged occurrence of wollastonite and epistilbite in Jersey. Mineralogical Magazine 46:504-506.
Diopside
Formula: CaMgSi2O6
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Bishop, A.C., Couper, A.G., Mourant, A.E. (1982) Re-examination of the alleged occurrence of wollastonite and epistilbite in Jersey. Mineralogical Magazine 46:504-506.
'Fayalite-Forsterite Series'
Description: Altered into quartz, magnesioarfvedsonite and hematite.
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Hematite
Formula: Fe2O3
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Ilmenite
Formula: Fe2+TiO3
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Maghemite
Formula: (Fe3+0.670.33)Fe3+2O4
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Magnesio-arfvedsonite
Formula: {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Orthoclase
Formula: K(AlSi3O8)
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Bishop, A.C., Couper, A.G., Mourant, A.E. (1982) Re-examination of the alleged occurrence of wollastonite and epistilbite in Jersey. Mineralogical Magazine 46:504-506.
Quartz
Formula: SiO2
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Siderite
Formula: FeCO3
Reference: Ch. Wagner and D. Velde, Bull. Minéral. , 1985, 108, pp. 173-187.
Titanite
Formula: CaTi(SiO4)O
Reference: Bishop, A.C., Couper, A.G., Mourant, A.E. (1982) Re-examination of the alleged occurrence of wollastonite and epistilbite in Jersey. Mineralogical Magazine 46:504-506.
Wollastonite
Formula: CaSiO3
Locality: Hermitage, St Helier, Jersey - erroneously reported
Description: Was prehnite
Reference: Bishop, A.C., Couper, A.G., Mourant, A.E. (1982) Re-examination of the alleged occurrence of wollastonite and epistilbite in Jersey. Mineralogical Magazine 46:504-506.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Maghemite4.BB.15(Fe3+0.670.33)Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Diopside9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Magnesio-arfvedsonite9.DE.25{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Wollastonite ?9.DG.05CaSiO3
Unclassified Minerals, Rocks, etc.
'Alkali Feldspar'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Chlorite Group'-
'Fayalite-Forsterite Series'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
Maghemite4.3.7.1(Fe3+0.670.33)Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Diopside65.1.3a.1CaMgSi2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite ?65.2.1.1cCaSiO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Alkali Feldspar'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Arfvedsonite-[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
'Chlorite Group'-
'Fayalite-Forsterite Series'-
Magnesio-arfvedsonite-{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CCarbon
C CalciteCaCO3
C SideriteFeCO3
C AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
O PhlogopiteKMg3(AlSi3O10)(OH)2
O DiopsideCaMgSi2O6
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O AegirineNaFe3+Si2O6
O IlmeniteFe2+TiO3
O CalciteCaCO3
O SideriteFeCO3
O AnkeriteCa(Fe2+,Mg)(CO3)2
O QuartzSiO2
O HematiteFe2O3
O OrthoclaseK(AlSi3O8)
O ApatiteCa5(PO4)3(Cl/F/OH)
O Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
O Maghemite(Fe3+0.670.33)Fe23+O4
O TitaniteCaTi(SiO4)O
O PrehniteCa2Al2Si3O10(OH)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O WollastoniteCaSiO3
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na AegirineNaFe3+Si2O6
Na Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
MgMagnesium
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg DiopsideCaMgSi2O6
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al PrehniteCa2Al2Si3O10(OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si DiopsideCaMgSi2O6
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si AegirineNaFe3+Si2O6
Si QuartzSiO2
Si OrthoclaseK(AlSi3O8)
Si Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Si TitaniteCaTi(SiO4)O
Si PrehniteCa2Al2Si3O10(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si WollastoniteCaSiO3
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca DiopsideCaMgSi2O6
Ca CalciteCaCO3
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca TitaniteCaTi(SiO4)O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca WollastoniteCaSiO3
TiTitanium
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Fe AegirineNaFe3+Si2O6
Fe IlmeniteFe2+TiO3
Fe SideriteFeCO3
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe HematiteFe2O3
Fe Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Fe Maghemite(Fe3+0.670.33)Fe23+O4
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Saint_Helier
Wikidata ID:Q147738

Localities in this Region


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