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Pegmatite Valley, Lilleelv, Head of Kangerluarsuk, Kangerluarsuk Fjord, Ilímaussaq complex, Kujalleq, Greenlandi
Regional Level Types
Pegmatite ValleyValley
LilleelvRiver
Head of KangerluarsukFjord
Kangerluarsuk FjordFjord
Ilímaussaq complexComplex
KujalleqMunicipality
GreenlandAutonomous Territory

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PhotosMapsSearch
Latitude & Longitude (WGS84):
60° North , 45° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Köppen climate type:
Mindat Locality ID:
256981
Long-form identifier:
mindat:1:2:256981:2
GUID (UUID V4):
9de67521-7139-456f-a79b-b69c02eea55f


A valley with a small stream, being the lowermost tributary to the Lillelv River.
Maybe the same locality as the "Mellemelv Stream valley"?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

7 valid minerals. 1 (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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Analcime
Formula: Na(AlSi2O6) · H2O
Epistolite
Formula: (Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
Eudialyte
Formula: Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Potassic-arfvedsonite (TL)
Formula: [(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2
Type Locality:
Habit: prismatic, showing the {110} and {010} forms
Colour: Black
Description: The locality of the holotype material is the “Pegmatite Valley”; the small stream in the valley being the lowermost tributary to the Lilleelv river in the Kangerluarsuk area, Southern part of Ilímaussaq complex, altitude about 260 m. Potassicarfvedsonite occurs in one or more pegmatite veinlets more than 20m long, and up to 0.5m thick, crosscutting naujaite, on both sides of the stream in the Pegmatite Valley. The pegmatite veinlets mainly consist of white coarse-grained analcime with subordinate amounts of fine-grained sodalite, microcline, aegirine, crude crystals of steenstrupine-(Ce), eudialyte,and epistolite. Potassicarfvedsonite forms well shaped prismatic crystals from a few cm up to 15 × 0.8 cm, showing the {110} and {010} forms, included in an analcime matrix. In other parts of the veinlets, preferably the marginal parts, it occurs as mosaic individuals up to several cm in size,which combine to massive, sometimes divergent and curved, aggregates, constituting up to 30–50% of the pegmatitic rock.
Sodalite
Formula: Na4(Si3Al3)O12Cl
Steenstrupine-(Ce)
Formula: Na14Mn2+2Fe3+2Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Epistolite9.BE.30(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
Steenstrupine-(Ce)9.CK.20Na14Mn2+2Fe3+2Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
Eudialyte9.CO.10Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Aegirine9.DA.25NaFe3+Si2O6
Potassic-arfvedsonite (TL)9.DE.25[(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2
Sodalite9.FB.10Na4(Si3Al3)O12Cl
Analcime9.GB.05Na(AlSi2O6) · H2O

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
H EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
H Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
H Potassic-arfvedsonite[(K,Na)][Na2][Fe42+Fe3+]Si8O22(OH)2
OOxygen
O AegirineNaFe3+Si2O6
O AnalcimeNa(AlSi2O6) · H2O
O Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
O EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
O SodaliteNa4(Si3Al3)O12Cl
O Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
O Potassic-arfvedsonite[(K,Na)][Na2][Fe42+Fe3+]Si8O22(OH)2
NaSodium
Na AegirineNaFe3+Si2O6
Na AnalcimeNa(AlSi2O6) · H2O
Na Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
Na EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Na SodaliteNa4(Si3Al3)O12Cl
Na Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
Na Potassic-arfvedsonite[(K,Na)][Na2][Fe42+Fe3+]Si8O22(OH)2
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al SodaliteNa4(Si3Al3)O12Cl
SiSilicon
Si AegirineNaFe3+Si2O6
Si AnalcimeNa(AlSi2O6) · H2O
Si Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
Si EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Si SodaliteNa4(Si3Al3)O12Cl
Si Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
Si Potassic-arfvedsonite[(K,Na)][Na2][Fe42+Fe3+]Si8O22(OH)2
PPhosphorus
P Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
ClChlorine
Cl EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Cl SodaliteNa4(Si3Al3)O12Cl
KPotassium
K Potassic-arfvedsonite[(K,Na)][Na2][Fe42+Fe3+]Si8O22(OH)2
CaCalcium
Ca EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
TiTitanium
Ti Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
MnManganese
Mn Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
FeIron
Fe AegirineNaFe3+Si2O6
Fe EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Fe Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
Fe Potassic-arfvedsonite[(K,Na)][Na2][Fe42+Fe3+]Si8O22(OH)2
ZrZirconium
Zr EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Zr Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O
NbNiobium
Nb Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
CeCerium
Ce Steenstrupine-(Ce)Na14Mn22+Fe23+Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O

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North America PlateTectonic Plate

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