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Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norwayi
Regional Level Types
GurpekollenProspect
BergsbygdaHamlet
EidangerParish
PorsgrunnMunicipality
TelemarkCounty
NorwayCountry

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PhotosMapsSearch
02404640017271984281790.jpg
Gurpekollen thorite prospect

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
05012720017271984313058.jpg
Polylithionite

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
06678790017271984342464.jpg
Polylithionite

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
02404640017271984281790.jpg
Gurpekollen thorite prospect

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
05012720017271984313058.jpg
Polylithionite

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
06678790017271984342464.jpg
Polylithionite

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
02404640017271984281790.jpg
Gurpekollen thorite prospect

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
05012720017271984313058.jpg
Polylithionite

Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norway
Type:
Prospect
Mindat Locality ID:
46089
Long-form identifier:
mindat:1:2:46089:8
GUID (UUID V4):
0
Other/historical names associated with this locality:
Gulpekollen
Other Languages:
Norwegian:
Gurpekollen, Bergsbygda, Eidanger, Porsgrunn, Telemark, Norge


An old thorite prospect in a syenite pegmatite. The prospect is located in a steep, vertical mountainside several meters above the ground at the northern side of Gurpekollen, in Oksumdalen, near Bergsbygda. It was prospected for thorite by Ole Herman Oksum (1867-1943) in the 1890s.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


22 valid minerals. 1 erroneous literature entry.

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
References:
Berge, Svein A. (n.d.) Personal communication.with Knut Edvard Larsen, Peter Andresen observation in field aug 2012
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Berge, Svein A. (n.d.) Personal communication.with Knut Edvard Larsen, Peter Andresen observation in field aug 2012
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ 'Apophyllite Group'
Formula: AB4[Si8O22]X · 8H2O
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Berge, Svein A. (n.d.) Personal communication.with Knut Edvard Larsen, Peter Andresen observation in field aug 2012
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group' ?
Description: The mineral Weibye (1848) reported as chlorite may be in fact the polylithionite which was confirmed much later
ⓘ 'Eudialyte Group'
Formula: [N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
ⓘ 'Eudialyte Group var. Eucolite'
Formula: [N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Hambergite
Formula: Be2(BO3)(OH)
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ Löllingite
Formula: FeAs2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Microcline
Formula: K(AlSi3O8)
References:
Berge, Svein A. (n.d.) Personal communication.with Knut Edvard Larsen, Peter Andresen observation in field aug 2012
ⓘ Molybdenite
Formula: MoS2
ⓘ Montmorillonite ?
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Description: Described as steinmark by Brøgger (1890)
ⓘ Mosandrite-(Ce)
Formula: (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
References:
Berge, Svein A. (n.d.) Personal communication.with Knut Edvard Larsen, Peter Andresen observation in field aug 2012
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Pharmacosiderite
Formula: KFe3+4(AsO4)3(OH)4 · 6-7H2O
ⓘ Polylithionite
Formula: KLi2Al(Si4O10)(F,OH)2
ⓘ Scorodite
Formula: Fe3+AsO4 · 2H2O
ⓘ Sphalerite
Formula: ZnS
ⓘ Talc
Formula: Mg3Si4O10(OH)2
Description: Brøgger (1890) describes the mineral Weibye (1848) labels as Talc pseudomorph after analcime as Steinmark (Kaolin) pseudomorphs after analcime. Kaolin (confirmed) is common in the hydrothermal phase in many syenite pegmatites in the Larvikite Plutonic Complex area.
ⓘ Thorite
Formula: Th(SiO4)
Description: About 1/2 kg of thorite was mined here in the 1890s
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘLöllingite2.EB.15aFeAs2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘOpal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 6 - Borates
ⓘHambergite6.AB.05Be2(BO3)(OH)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘScorodite8.CD.10Fe3+AsO4 · 2H2O
ⓘPharmacosiderite8.DK.10KFe3+4(AsO4)3(OH)4 · 6-7H2O
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘMosandrite-(Ce)9.BE.20(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘTalc ?9.EC.05Mg3Si4O10(OH)2
ⓘPolylithionite9.EC.20KLi2Al(Si4O10)(F,OH)2
ⓘMontmorillonite ?9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Apophyllite Group'-AB4[Si8O22]X · 8H2O
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group' ?-
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Eudialyte Group
var. Eucolite'		-[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
ⓘ''-[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ HambergiteBe2(BO3)(OH)
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Hⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Hⓘ PolylithioniteKLi2Al(Si4O10)(F,OH)2
Hⓘ ScoroditeFe3+AsO4 · 2H2O
Hⓘ TalcMg3Si4O10(OH)2
LiLithium
Liⓘ PolylithioniteKLi2Al(Si4O10)(F,OH)2
BeBeryllium
Beⓘ HambergiteBe2(BO3)(OH)
BBoron
Bⓘ HambergiteBe2(BO3)(OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ HambergiteBe2(BO3)(OH)
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Oⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Oⓘ PolylithioniteKLi2Al(Si4O10)(F,OH)2
Oⓘ ScoroditeFe3+AsO4 · 2H2O
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ ThoriteTh(SiO4)
Oⓘ ZirconZr(SiO4)
Oⓘ Eudialyte Group var. Eucolite[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
Oⓘ Eudialyte Group[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluoriteCaF2
Fⓘ PolylithioniteKLi2Al(Si4O10)(F,OH)2
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ MicroclineK(AlSi3O8)
Alⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ PolylithioniteKLi2Al(Si4O10)(F,OH)2
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ MicroclineK(AlSi3O8)
Siⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Siⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ OpalSiO2 · nH2O
Siⓘ PolylithioniteKLi2Al(Si4O10)(F,OH)2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ ThoriteTh(SiO4)
Siⓘ ZirconZr(SiO4)
Siⓘ Eudialyte Group var. Eucolite[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
Siⓘ Eudialyte Group[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
SSulfur
Sⓘ GalenaPbS
Sⓘ MolybdeniteMoS2
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kⓘ MicroclineK(AlSi3O8)
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Kⓘ PolylithioniteKLi2Al(Si4O10)(F,OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ FluoriteCaF2
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Caⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ LöllingiteFeAs2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Feⓘ ScoroditeFe3+AsO4 · 2H2O
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ LöllingiteFeAs2
Asⓘ PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Asⓘ ScoroditeFe3+AsO4 · 2H2O
ZrZirconium
Zrⓘ ZirconZr(SiO4)
MoMolybdenum
Moⓘ MolybdeniteMoS2
PbLead
Pbⓘ GalenaPbS
ThThorium
Thⓘ ThoriteTh(SiO4)

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

Weibye, Paul Christian (1848) Beiträge zur topograpischen Mineralogie Norwegens. Archiv für Mineralogie, Geognosie, Bergbau und Hüttenkunde, 22. 465-544
Brøgger, Waldemar Christofer (1890, January) Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Krystallographie und Mineralogie Vol. 16 (1) Walter de Gruyter GmbH
Larsen, Alf Olav; Andersen, Frode; Dahlgren, Sven; Larsen, Knut Edvard; Burvald, Ingulv - Ed. (2010) The Langesundsfjord - History, geology, pegmatites, minerals. Bode Verlag Gmbh. 240 pp.
Larsen, Knut Edvard, Nordrum, Fred Steinar (2013) Noen funn av mineraler i Norge 2012-2013 [Some finds of minerals in Norway 2012-2013]. Norsk Bergverksmuseum Skrift, 50. 111-117
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