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Zircon prospect, Stokkøya, Larvik, Vestfold, Norwayi
Regional Level Types
Zircon prospectProspect
StokkøyaIsland
LarvikMunicipality
VestfoldCounty
NorwayCountry

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Latitude & Longitude (WGS84):
58° 59' 52'' North , 9° 48' 44'' East
Latitude & Longitude (decimal):
58.99781,9.81226
GeoHash:
G#: u4qzxk1p4
GRN:
N40E04
Type:
Prospect
Age:
298.9 ± 0.15 to 252.17 ± 0.06 Ma
Geologic Time:
Permian
Reference for age:
Geological Survey of Norway. The Industrial Mineral Database. Deposit Area 709 - 304, Stokk
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Langangen505 (2014)10.0km
Stavern5,593 (2018)12.7km
Larvik23,113 (2018)14.2km
Porsgrunn34,377 (2017)18.2km
Herre1,356 (2013)18.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Fensfeltet GeologiforeningUlefoss42km
Mindat Locality ID:
144227
Long-form identifier:
mindat:1:2:144227:7
GUID (UUID V4):
37f1152d-6cde-4b4b-8706-84c11eb7eb2b
Other/historical names associated with this locality:
Brögger's "Eukolite-Titanite" locality
Other Languages:
Norwegian:
Zirkon-skjerpet, Stokkøya, Larvik, Vestfold, Norge


An old zirconium prospect on a small zircon-rich nepheline syenite pegmatite, 25-40 cm wide, near the southern hilltop of Stokkøya Island.
The prospect and dump are fairly overgrown (situation in 2013).
This locality is identical with Brögger's "Eukolite-Titanite" locality, which is described by Brögger (1890:517) as "einem kleinen Gange am Südende der Insel Stokö, ziemlich hoch über dem Meere“ [A small dike at the southern part of Stokkøya, very high up above the sea].

Coordinates are from NGU (not confirmed)

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


30 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
Description: Variety melanite
ⓘ Andradite var. Melanite
Formula: Ca3(Fe3+,Ti)2(SiO4)3
ⓘ Annite
Formula: KFe2+3(AlSi3O10)(OH)2
References:
Phillip Betancourt
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Böhmite
Formula: AlO(OH)
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Britholite-(Ce)
Formula: (Ce,Ca)5(SiO4)3OH
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Covellite
Formula: CuS
ⓘ Digenite
Formula: Cu9S5
ⓘ Djurleite
Formula: Cu31S16
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
References:
Berge, Svein A. (n.d.) Personal communication.and Ragnar Hansen observation 1975
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Genthelvite
Formula: Be3Zn4(SiO4)3S
Colour: apple green
ⓘ Gibbsite
Formula: Al(OH)3
ⓘ Helvine
Formula: Be3Mn2+4(SiO4)3S
Colour: Canary yellow
Description: Brøgger (1890) described helvite as tetrahedral crystals up to several cm. Larsen (1988) analyzes a canary yellow helvite.
ⓘ Hematite
Formula: Fe2O3
Description: Brøgger (1890) reports of a find of a good crystal in 1875
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Meliphanite
Formula: (Ca,Na)2(Be,Al)[Si2O6(OH,F)]
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Natrolite var. Spreustein
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ Pyrophanite
Formula: Mn2+TiO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Habit: 2 mm large masses
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Titanite var. Eucolite-Titanite
Formula: CaTi(SiO4)O
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

Ca3Fe3+2(SiO4)3ⓘ Andradite
Zr(SiO4)ⓘ Zircon

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘDjurleite2.BA.05Cu31S16
ⓘDigenite2.BA.10Cu9S5
ⓘBornite2.BA.15Cu5FeS4
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘPyrophanite4.CB.05Mn2+TiO3
ⓘHematite4.CB.05Fe2O3
ⓘGibbsite4.FE.10Al(OH)3
ⓘBöhmite4.FE.15AlO(OH)
Group 5 - Nitrates and Carbonates
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘAndradite
var. Melanite		9.AD.25Ca3(Fe3+,Ti)2(SiO4)3
ⓘ9.AD.25Ca3Fe3+2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite
var. Eucolite-Titanite		9.AG.15CaTi(SiO4)O
ⓘ9.AG.15CaTi(SiO4)O
ⓘBritholite-(Ce)9.AH.25(Ce,Ca)5(SiO4)3OH
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘMeliphanite9.DP.05(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
ⓘAnnite9.EC.20KFe2+3(AlSi3O10)(OH)2
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘHelvine9.FB.10Be3Mn2+4(SiO4)3S
ⓘGenthelvite9.FB.10Be3Zn4(SiO4)3S
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
ⓘvar. Spreustein9.GA.05Na2Al2Si3O10 · 2H2O
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ AnniteKFe32+(AlSi3O10)(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ BöhmiteAlO(OH)
Hⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Hⓘ GibbsiteAl(OH)3
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Hⓘ Natrolite var. SpreusteinNa2Al2Si3O10 · 2H2O
BeBeryllium
Beⓘ GenthelviteBe3Zn4(SiO4)3S
Beⓘ HelvineBe3Mn42+(SiO4)3S
Beⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
CCarbon
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AnniteKFe32+(AlSi3O10)(OH)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BöhmiteAlO(OH)
Oⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GenthelviteBe3Zn4(SiO4)3S
Oⓘ GibbsiteAl(OH)3
Oⓘ HelvineBe3Mn42+(SiO4)3S
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Oⓘ MicroclineK(AlSi3O8)
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ PyrophaniteMn2+TiO3
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ ZirconZr(SiO4)
Oⓘ Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
Oⓘ Titanite var. Eucolite-TitaniteCaTi(SiO4)O
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Natrolite var. SpreusteinNa2Al2Si3O10 · 2H2O
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ Natrolite var. SpreusteinNa2Al2Si3O10 · 2H2O
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ AnniteKFe32+(AlSi3O10)(OH)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BöhmiteAlO(OH)
Alⓘ GibbsiteAl(OH)3
Alⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Alⓘ MicroclineK(AlSi3O8)
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ Natrolite var. SpreusteinNa2Al2Si3O10 · 2H2O
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ AnniteKFe32+(AlSi3O10)(OH)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Siⓘ GenthelviteBe3Zn4(SiO4)3S
Siⓘ HelvineBe3Mn42+(SiO4)3S
Siⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Siⓘ MicroclineK(AlSi3O8)
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ ZirconZr(SiO4)
Siⓘ Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
Siⓘ Titanite var. Eucolite-TitaniteCaTi(SiO4)O
Siⓘ Natrolite var. SpreusteinNa2Al2Si3O10 · 2H2O
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ DigeniteCu9S5
Sⓘ DjurleiteCu31S16
Sⓘ GalenaPbS
Sⓘ GenthelviteBe3Zn4(SiO4)3S
Sⓘ HelvineBe3Mn42+(SiO4)3S
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ AnniteKFe32+(AlSi3O10)(OH)2
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ NephelineNa3K(Al4Si4O16)
CaCalcium
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
Caⓘ Titanite var. Eucolite-TitaniteCaTi(SiO4)O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ PyrophaniteMn2+TiO3
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
Tiⓘ Titanite var. Eucolite-TitaniteCaTi(SiO4)O
MnManganese
Mnⓘ HelvineBe3Mn42+(SiO4)3S
Mnⓘ PyrophaniteMn2+TiO3
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ AnniteKFe32+(AlSi3O10)(OH)2
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ DigeniteCu9S5
Cuⓘ DjurleiteCu31S16
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ GenthelviteBe3Zn4(SiO4)3S
Znⓘ SphaleriteZnS
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
CeCerium
Ceⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
PbLead
Pbⓘ GalenaPbS

Other Databases

Link to Geological Survey of Norway:5805

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Norway
ScandinaviaRegion

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

Horvath, J. (194?) Zirkon på Stokkøya, Brunlanes, Vestfold. Norges geologiske undersøkelse. Bergarkivet. BA 6252, 5p.
Geological Survey of Norway. The Industrial Mineral Database. Deposit Area 709 - 304, Stokkøya. (Last updated 10. sep. 2018)
(n.d.)
Larsen, Alf Olav (1979) Sort granat fra Langesundsfjorden. NAGS-NYTT, 6 (4) 15-16
Larsen, Alf Olav (1988) Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway, No. 68. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 68 (2) 119-124
Larsen, A.O. (1996) Zirkondrift på Stokkøya. Nesjar (Brunlanes historielag), 1995-1996: 57-59
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