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The Thorite Hole, Løvøya, Porsgrunn, Telemark, Norwayi
Regional Level Types
The Thorite HolePegmatite
LøvøyaIsland
PorsgrunnMunicipality
TelemarkCounty
NorwayCountry

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Latitude & Longitude (WGS84):
59° 3' 26'' North , 9° 44' 6'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Langangen505 (2014)5.2km
Porsgrunn34,377 (2017)10.3km
Herre1,356 (2013)11.1km
Larvik23,113 (2018)17.1km
Stavern5,593 (2018)18.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Fensfeltet GeologiforeningUlefoss34km
Mindat Locality ID:
219376
Long-form identifier:
mindat:1:2:219376:5
GUID (UUID V4):
63cb2bfb-a4a1-4b71-bdd9-31dc4233d8a4
Other/historical names associated with this locality:
Thorithul; Thoritens Findested
Other Languages:
Norwegian:
Thoritthullet, Løvøya, Porsgrunn, Telemark, Norge


The type locality on the island Løvøya in Langesundsfjorden where the vicar Hans Morten Thrane Esmark (1801-1882) discovered the mineral thorite in 1828. The locality on Løvøya was called by him "Thorithul" (Thoritthullet" in modern Norwegian language) meaning "the Thorite Hole", but the the excact spot is today unfortunately forgotten. Already in 1874 the locality was known to have been exhausted (Brøgger 1890). A heavily blasted out syenite pegmatite on a small headland in Løvøysundet has been suggested as being the TL , but the very location of the TL remains today unsure.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
'Chlorite Group'
Galena
Formula: PbS
Molybdenite
Formula: MoS2
Montmorillonite ?
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Description: A green claylike mineral, described by Brøgger (1890) as "Steinmark", probably kaolinite? or montmorillonite pseudomorph after nepheline, was found by him and H. Reusch during their visit to the thorite TL in 1874.
Thorite (TL)
Formula: Th(SiO4)
Type Locality:
Colour: black
Description: Described by Esmark (1836) as spherical shaped pieces ("kugleformige stykker") to size of a walnut and partly as flat cleavage pieces ("flade brudstykker").

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Group 9 - Silicates
Thorite (TL)9.AD.30Th(SiO4)
Montmorillonite ?9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Analcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
OOxygen
O AnalcimeNa(AlSi2O6) · H2O
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O ThoriteTh(SiO4)
NaSodium
Na AnalcimeNa(AlSi2O6) · H2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
SiSilicon
Si AnalcimeNa(AlSi2O6) · H2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si ThoriteTh(SiO4)
SSulfur
S GalenaPbS
S MolybdeniteMoS2
CaCalcium
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MoMolybdenum
Mo MolybdeniteMoS2
PbLead
Pb GalenaPbS
ThThorium
Th ThoriteTh(SiO4)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Norway

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References

 
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