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

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Key
Lock Map
Latitude & Longitude (WGS84):
58° 59' 52'' North , 9° 48' 44'' East
Latitude & Longitude (decimal):
Locality type:
Age:
298.9 ± 0.15 to 252.17 ± 0.06 Ma
Geologic Time:
Reference for age:
Geological Survey of Norway. The Industrial Mineral Database. Deposit Area 709 - 304, Stokkøya
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
Other/historical names associated with this locality:
Brögger's "Eukolite-Titanite" locality


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)

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


29 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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)
Reference: Larsen, A. O.(1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16; Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Andradite
Formula: Ca3Fe3+2(SiO4)3
Description: Variety melanite
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Andradite var: Melanite
Formula: Ca3Fe3+2(SiO4)3
Reference: Larsen, A. O. (1988): Helvite group minerals form syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
'Apatite'
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
'Biotite'
Reference: Larsen, A. O. (1988): Helvite group minerals form syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Böhmite
Formula: AlO(OH)
Reference: Svein A. Berge observation 1992
Bornite
Formula: Cu5FeS4
Reference: Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100
Britholite-(Ce)
Formula: (Ce,Ca)5(SiO4)3OH
Reference: Svein A. Berge observation 1992
Chalcopyrite
Formula: CuFeS2
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Covellite
Formula: CuS
Reference: Andersen, F., Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. Mineralien-Welt 7(4), 21-100
Digenite
Formula: Cu9S5
Reference: Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100
Djurleite
Formula: Cu31S16
Reference: Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Svein A. Berge and Ragnar Hansen observation 1975
Fluorite
Formula: CaF2
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Galena
Formula: PbS
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Genthelvite
Formula: Be3Zn4(SiO4)3S
Colour: apple green
Reference: Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Gibbsite
Formula: Al(OH)3
Reference: Svein A. Berge observation 1992
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.
Reference: Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p. 57; Larsen, A. O. (1988): Helvite group minerals form syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Hematite
Formula: Fe2O3
Description: Brøgger (1890) reports of a find of a good crystal in 1875
Reference: Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineral.16. p.13
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Brøgger, W.C.(1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit- und Nephelinsyenite. Zeitschrift fur Kristallographie und Mineralogie, 16, 663 pp, p. 59
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Meliphanite
Formula: (Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Microcline
Formula: K(AlSi3O8)
Reference: Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Pyrite
Formula: FeS2
Reference: Andersen, F., Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. Mineralien-Welt 7(4), 21-100
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Pyrophanite
Formula: Mn2+TiO3
Reference: Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Habit: 2 mm large masses
Reference: Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100
Titanite
Formula: CaTi(SiO4)O
Reference: Larsen, A. O. (1979): Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16
Titanite var: Eucolite-Titanite
Formula: CaTi(SiO4)O
Reference: Brøgger, W.C.(1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit- und Nephelinsyenite. Zeitschrift fur Kristallographie und Mineralogie, 16, 663 pp, p. 57
Zircon
Formula: Zr(SiO4)
Reference: Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Digenite2.BA.10Cu9S5
Djurleite2.BA.05Cu31S16
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Böhmite4.FE.15AlO(OH)
Gibbsite4.FE.10Al(OH)3
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Pyrophanite4.CB.05Mn2+TiO3
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
Aegirine9.DA.25NaFe3+Si2O6
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Andradite9.AD.25Ca3Fe3+2(SiO4)3
var: Melanite9.AD.25Ca3Fe3+2(SiO4)3
Britholite-(Ce)9.AH.25(Ce,Ca)5(SiO4)3OH
Genthelvite9.FB.10Be3Zn4(SiO4)3S
Helvine9.FB.10Be3Mn2+4(SiO4)3S
Meliphanite9.DP.05(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Microcline9.FA.30K(AlSi3O8)
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Nepheline9.FA.05Na3K(Al4Si4O16)
Titanite9.AG.15CaTi(SiO4)O
var: Eucolite-Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Digenite2.4.7.3Cu9S5
Djurleite2.4.7.2Cu31S16
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Pyrophanite4.3.5.3Mn2+TiO3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Böhmite6.1.2.1AlO(OH)
X(OH)3
Gibbsite6.3.1.1Al(OH)3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
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
Britholite-(Ce)52.4.9.1(Ce,Ca)5(SiO4)3OH
Titanite52.4.3.1CaTi(SiO4)O
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with No Additional Anions with cations in [8] and lower coordination
Meliphanite55.4.2.5(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Genthelvite76.2.4.3Be3Zn4(SiO4)3S
Helvine76.2.4.1Be3Mn2+4(SiO4)3S
Nepheline76.2.1.2Na3K(Al4Si4O16)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
Andradite
var: Melanite
-Ca3Fe3+2(SiO4)3
'Apatite'-
'Biotite'-
Titanite
var: Eucolite-Titanite
-CaTi(SiO4)O

List of minerals for each chemical element

HHydrogen
H BöhmiteAlO(OH)
H Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
H Pyrochlore GroupA2Nb2(O,OH)6Z
H NatroliteNa2Al2Si3O10 · 2H2O
H AnalcimeNa(AlSi2O6) · H2O
H MalachiteCu2(CO3)(OH)2
H GibbsiteAl(OH)3
BeBeryllium
Be GenthelviteBe3Zn4(SiO4)3S
Be Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Be HelvineBe3Mn42+(SiO4)3S
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O BöhmiteAlO(OH)
O FluorapatiteCa5(PO4)3F
O Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
O AndraditeCa3Fe23+(SiO4)3
O GenthelviteBe3Zn4(SiO4)3S
O TitaniteCaTi(SiO4)O
O Pyrochlore GroupA2Nb2(O,OH)6Z
O MagnetiteFe2+Fe23+O4
O Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
O AlbiteNa(AlSi3O8)
O NatroliteNa2Al2Si3O10 · 2H2O
O AnalcimeNa(AlSi2O6) · H2O
O HematiteFe2O3
O HelvineBe3Mn42+(SiO4)3S
O NephelineNa3K(Al4Si4O16)
O MicroclineK(AlSi3O8)
O AegirineNaFe3+Si2O6
O ZirconZr(SiO4)
O MalachiteCu2(CO3)(OH)2
O PyrophaniteMn2+TiO3
O Titanite (var: Eucolite-Titanite)CaTi(SiO4)O
O GibbsiteAl(OH)3
O Andradite (var: Melanite)Ca3Fe23+(SiO4)3
FFluorine
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
F Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
NaSodium
Na Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Na AlbiteNa(AlSi3O8)
Na NatroliteNa2Al2Si3O10 · 2H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na NephelineNa3K(Al4Si4O16)
Na AegirineNaFe3+Si2O6
AlAluminium
Al BöhmiteAlO(OH)
Al Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Al AlbiteNa(AlSi3O8)
Al NatroliteNa2Al2Si3O10 · 2H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al NephelineNa3K(Al4Si4O16)
Al MicroclineK(AlSi3O8)
Al GibbsiteAl(OH)3
SiSilicon
Si Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Si AndraditeCa3Fe23+(SiO4)3
Si GenthelviteBe3Zn4(SiO4)3S
Si TitaniteCaTi(SiO4)O
Si Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Si AlbiteNa(AlSi3O8)
Si NatroliteNa2Al2Si3O10 · 2H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si HelvineBe3Mn42+(SiO4)3S
Si NephelineNa3K(Al4Si4O16)
Si MicroclineK(AlSi3O8)
Si AegirineNaFe3+Si2O6
Si ZirconZr(SiO4)
Si Titanite (var: Eucolite-Titanite)CaTi(SiO4)O
Si Andradite (var: Melanite)Ca3Fe23+(SiO4)3
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S DjurleiteCu31S16
S GenthelviteBe3Zn4(SiO4)3S
S GalenaPbS
S ChalcopyriteCuFeS2
S BorniteCu5FeS4
S DigeniteCu9S5
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S HelvineBe3Mn42+(SiO4)3S
S CovelliteCuS
S PyriteFeS2
KPotassium
K NephelineNa3K(Al4Si4O16)
K MicroclineK(AlSi3O8)
CaCalcium
Ca FluorapatiteCa5(PO4)3F
Ca Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Ca AndraditeCa3Fe23+(SiO4)3
Ca FluoriteCaF2
Ca TitaniteCaTi(SiO4)O
Ca Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Ca Titanite (var: Eucolite-Titanite)CaTi(SiO4)O
Ca Andradite (var: Melanite)Ca3Fe23+(SiO4)3
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti PyrophaniteMn2+TiO3
Ti Titanite (var: Eucolite-Titanite)CaTi(SiO4)O
MnManganese
Mn HelvineBe3Mn42+(SiO4)3S
Mn PyrophaniteMn2+TiO3
FeIron
Fe AndraditeCa3Fe23+(SiO4)3
Fe MagnetiteFe2+Fe23+O4
Fe ChalcopyriteCuFeS2
Fe BorniteCu5FeS4
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe HematiteFe2O3
Fe PyriteFeS2
Fe AegirineNaFe3+Si2O6
Fe Andradite (var: Melanite)Ca3Fe23+(SiO4)3
CuCopper
Cu DjurleiteCu31S16
Cu ChalcopyriteCuFeS2
Cu BorniteCu5FeS4
Cu DigeniteCu9S5
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu CovelliteCuS
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn GenthelviteBe3Zn4(SiO4)3S
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
CeCerium
Ce Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
PbLead
Pb GalenaPbS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Oligocene
23.03 - 33.9 Ma



ID: 3155008
Oligocene claystone

Age: Oligocene (23.03 - 33.9 Ma)

Lithology: Claystone

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Horvath, J. (194?) Zirkon på Stokkøya, Brunlanes, Vestfold. Norges geologiske undersøkelse. Bergarkivet. BA 6252, 5p.
Larsen, A. O. (1979) Sorte granater fra Langesundsfjorden. NAGS-nytt 6(4), 15-16.
Larsen, A. O. (1988) Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124. [with analysis of a helvite and a genthelvite from this locality]
Larsen, A.O. (1996) Zirkondrift på Stokkøya. Nesjar (Brunlanes historielag), 1995-1996: 57-59
Geological Survey of Norway. The Industrial Mineral Database. Deposit Area 709 - 304, Stokkøya. (Last updated 10. sep. 2018)

External Links



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