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Hidra, Flekkefjord, Agder, Norwayi
Regional Level Types
HidraIsland
FlekkefjordMunicipality
AgderCounty
NorwayCountry

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PhotosMapsSearch
Type:
Mindat Locality ID:
3100
Long-form identifier:
mindat:1:2:3100:7
GUID (UUID V4):
3cf658eb-8e55-4e9b-8fdd-3a0b689d337f
Other/historical names associated with this locality:
Hitterø
Other Languages:
Norwegian:
Hidra, Flekkefjord, Agder, Norge
Cebuano:
Hidra, Flekkefjord, Aust-Agder fylke, Norway
Dutch:
Hidra, Flekkefjord, Agder, Noorwegen
Norwegian (Nynorsk):
Hidra, Flekkefjord, Agder, Noreg


Hidra (formerly Hitterö) is an island on the southwestern coast of Norway. In the eastern part of the island, around the small Rasvåg bay, several granite pegmatite dikes have been quarried for feldspar. Quarrying started around 1870 and ended around 1906-1910. One exception is the Igletjødn quarry which was quarried until around 1930.

Xenotime-(Y) (Berzelius, 1824, under the name Phosporsyrad Ytterjord, Beudant 1832 under the name Xenotime), Kainosite-(Y) (Nordenskiöld, 1886), Polycrase-(Y) (Scheerer, 1844) and Aeschynite-(Y) (Brögger, 1906, under the name blomstrandine), were first described from pegmatites in this area. The pegmatites are also especially known for having produced large crystals of Gadolinite-(Y).

There is also a two pyroxene-bearing granulite containing ferrosilite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

24 valid minerals. 3 (TL) - type locality of valid minerals.

Rock Types Recorded

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

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Abhurite
Formula: Sn21Cl16(OH)14O6
Description: Found on corroded tin ingots. Antropogenic formed materiale.
'Aeschynite'
Aeschynite-(Ce)
Formula: (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Aeschynite-(Y) (TL)
Formula: (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Localities: Reported from at least 7 localities in this region.
Habit: Platy after {010}, with the dominant form {010}, {130}, {001}. Forms also observed: {110}, {120}, {111}, {101}, [001}
Colour: Brownish black, metamict with thin brownish alteration
Description: Brøgger (1879) gave a crystallographic description of a black mineral from Urstad without chemical analysis. He thought it to be identical with aeschynite (From Miask, which later was named aeschynite-(Ce)). In Brøgger (1906) the mineral were described in detail, and gave it the name Blomstrandine. He states on p. 104 the that aeschynite from Miask is a Cerium-Aeschynit and that the blomstrandine from Hitterö was a "Yttrium-Aeschynit". A part of a crystal weighing 3kg and chunks up to 20 kg has been noted.
References:
Albite
Formula: Na(AlSi3O8)
Localities: Reported from at least 10 localities in this region.
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Localities: Reported from at least 9 localities in this region.
'Alkali Feldspar'
'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Localities: Reported from at least 11 localities in this region.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Beryl
Formula: Be3Al2(Si6O18)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 9 localities in this region.
Description: Large amount of biotite was found here. At one occasion about 2 tons were taken out (Adamson 1942)
'Columbite-(Fe)-Columbite-(Mn) Series'
Description: Brøgger (1906) p.59 mentions a crystal of 2 cm from Hidra (Hitterö)
Cotunnite
Formula: PbCl2
Description: As thin inclusions in plaets of abhurite Antropogenic formed materiale.
'Davidite'
Description: Identified from an old specimen in the mineral collection at Natural History Museum, Oslo
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Localities: Reported from at least 8 localities in this region.
Description: The mineral occurs in long ruler-like crystals.
'Euxenite-(Y)-Polycrase-(Y) Series'
'Feldspar Group'
'Feldspar Group var. Sunstone'
Ferrosilite
Formula: Fe2+2Si2O6
'Gadolinite'
Gadolinite-(Y)
Formula: Y2Fe2+Be2Si2O10
Localities: Reported from at least 8 localities in this region.
Description: Up to 10 cm long crystals
Ilmenite
Formula: Fe2+TiO3
Localities: Reported from at least 9 localities in this region.
Kainosite-(Y) (TL)
Formula: Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
Type Locality:
Löllingite
Formula: FeAs2
Description: As tiny inclusions in blades of abhurite
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 8 localities in this region.
Microcline
Formula: K(AlSi3O8)
Localities: Reported from at least 9 localities in this region.
Molybdenite
Formula: MoS2
'Monazite'
Formula: REE(PO4)
Monazite-(Ce)
Formula: Ce(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 7 localities in this region.
Perrierite-(Ce)
Formula: Ce4MgFe3+2Ti2(Si2O7)2O8
Habit: subhedral
Description: 5 cm long, metamict subhedral crystals. Identified by heating and XRD at NHM, Oslo
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Quartz
Formula: SiO2
Localities: Reported from at least 10 localities in this region.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Tengerite-(Y) ?
Formula: Y2(CO3)3 · 2-3H2O
Colour: yellow-white
Description: As a thin crust on gadolinite-(Y). Identified before tengerite-(Y) was redefined.
Thorite
Formula: Th(SiO4)
Description: Cat. no. 18810067 NRM, Stockholm
Xenotime-(Y) (TL)
Formula: Y(PO4)
Localities: Reported from at least 10 localities in this region.
Description: Berzelius (1828); described as "Phosphorsyrad Ytterjord", with locality given as "Lindesnes" and found by Mr. Tank d.y.(the Yuonger). Name Xenotime first used by F. S. Beudant (1832). Scheerer corrected the type locality information to Hitterø, according to unpublished notes by Mr. Tank.
Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 9 localities in this region.
Zircon var. Malacon
Formula: Zr(SiO4)
Localities: Reported from at least 8 localities in this region.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Löllingite2.EB.15aFeAs2
Group 3 - Halides
Cotunnite3.AB.85PbCl2
Abhurite3.DA.30Sn21Cl16(OH)14O6
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Aeschynite-(Ce)4.DF.05(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Aeschynite-(Y) (TL)4.DF.05(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 5 - Nitrates and Carbonates
Tengerite-(Y) ?5.CC.10Y2(CO3)3 · 2-3H2O
Group 8 - Phosphates, Arsenates and Vanadates
Xenotime-(Y) (TL)8.AD.35Y(PO4)
Monazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
var. Malacon9.AD.30Zr(SiO4)
Gadolinite-(Y)9.AJ.20Y2Fe2+Be2Si2O10
Perrierite-(Ce)9.BE.70Ce4MgFe3+2Ti2(Si2O7)2O8
Kainosite-(Y) (TL)9.CF.10Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
Beryl9.CJ.05Be3Al2(Si6O18)
Ferrosilite9.DA.05Fe2+2Si2O6
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
'Alkali Feldspar'-
'Monazite'-REE(PO4)
'Feldspar Group'-
'Davidite'-
'Aeschynite'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Gadolinite'-
'Feldspar Group
var. Sunstone'
-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Euxenite-(Y)-Polycrase-(Y) Series'-
'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
H AbhuriteSn21Cl16(OH)14O6
H Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
H Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H Tengerite-(Y)Y2(CO3)3 · 2-3H2O
H ApatiteCa5(PO4)3(Cl/F/OH)
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
Be Gadolinite-(Y)Y2Fe2+Be2Si2O10
CCarbon
C Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
C Tengerite-(Y)Y2(CO3)3 · 2-3H2O
OOxygen
O AbhuriteSn21Cl16(OH)14O6
O Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
O Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
O AlbiteNa(AlSi3O8)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BerylBe3Al2(Si6O18)
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O FerrosiliteFe22+Si2O6
O Gadolinite-(Y)Y2Fe2+Be2Si2O10
O IlmeniteFe2+TiO3
O Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O MonaziteREE(PO4)
O Monazite-(Ce)Ce(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
O Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
O QuartzSiO2
O SpessartineMn32+Al2(SiO4)3
O Tengerite-(Y)Y2(CO3)3 · 2-3H2O
O ThoriteTh(SiO4)
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O ApatiteCa5(PO4)3(Cl/F/OH)
O Zircon var. MalaconZr(SiO4)
O Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Al SpessartineMn32+Al2(SiO4)3
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si FerrosiliteFe22+Si2O6
Si Gadolinite-(Y)Y2Fe2+Be2Si2O10
Si Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Si Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
Si QuartzSiO2
Si SpessartineMn32+Al2(SiO4)3
Si ThoriteTh(SiO4)
Si ZirconZr(SiO4)
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Zircon var. MalaconZr(SiO4)
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
P MonaziteREE(PO4)
P Monazite-(Ce)Ce(PO4)
P Xenotime-(Y)Y(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S MolybdeniteMoS2
ClChlorine
Cl AbhuriteSn21Cl16(OH)14O6
Cl CotunnitePbCl2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Ca Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
Ca Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Ti Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ti IlmeniteFe2+TiO3
Ti Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe FerrosiliteFe22+Si2O6
Fe Gadolinite-(Y)Y2Fe2+Be2Si2O10
Fe IlmeniteFe2+TiO3
Fe LöllingiteFeAs2
Fe MagnetiteFe2+Fe23+O4
Fe Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
AsArsenic
As LöllingiteFeAs2
YYttrium
Y Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Gadolinite-(Y)Y2Fe2+Be2Si2O10
Y Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
Y Tengerite-(Y)Y2(CO3)3 · 2-3H2O
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
Zr Zircon var. MalaconZr(SiO4)
NbNiobium
Nb Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Nb Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
MoMolybdenum
Mo MolybdeniteMoS2
SnTin
Sn AbhuriteSn21Cl16(OH)14O6
CeCerium
Ce Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ce Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O
Ce Monazite-(Ce)Ce(PO4)
Ce Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
TaTantalum
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
PbLead
Pb CotunnitePbCl2
ThThorium
Th Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Th Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th ThoriteTh(SiO4)
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Hidra,_Vest-Agder
Wikidata ID:Q20553128

Localities in this Region

Other Regions, Features and Areas that Intersect


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

 
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