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Rundemyr, Øvre Eiker, Buskerud, Norwayi
Regional Level Types
RundemyrProspect
Øvre EikerMunicipality
BuskerudCounty
NorwayCountry

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Key
Latitude & Longitude (WGS84):
59° North , 9° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~20km
Locality type:
Prospect - last checked 2019
Köppen climate type:
Other Languages:
Norwegian:
Rundemyr, Øvre Eiker, Buskerud, Norge


A small aegirine-bearing ekerite pegmatite genetically associated with the ekerite (a peralkaline riebeckitic arfvedsonite granite) of the Oslo region. The pegmatite dike is hosted in contactmetamorphic sediments of the Vikformation (silur). Type locality for aegirine, known since around 1780.
Old specimens often labelled as coming from "Eger".

Note:

The locality has in some recent literature erroneously been refered to as belonging to the Nedre Eiker Municipality. The locality is, however, located close to the border between the municipalities of Øvre Eiker and Nedre Eiker, but well situated inside the Øvre Eiker Municipality.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals. 1 (TL) - type locality of 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 (TL)
Formula: NaFe3+Si2O6
Type Locality:
Habit: pinacoids {100} and {010}, prism {110}
Description: Tapering brown prisms in pegmatite with a green centre
Reference: Strøm, P. (1821): Undersökning af ett nytt Fossil. Kongliga Vetenskaps-Academiens Handlingar, 160-163; Berzelius, J. (1821): Tillägg til föregående Afhandling. Kongliga Vetenskaps-Academiens Handlingar, 163-166; Möller, N.B. (1825a) : Achmit fra Eger. Magazin for Naturvidenskaberne, 6, 174-181
Albite
Formula: Na(AlSi3O8)
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: Brøgger, W.C.(1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie, 16: 298-318
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Calcite
Formula: CaCO3
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Cerussite
Formula: PbCO3
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
'Chlorite Group'
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Galena
Formula: PbS
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Genthelvite
Formula: Be3Zn4(SiO4)3S
Reference: Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p.238
Goethite
Formula: α-Fe3+O(OH)
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Helvine
Formula: Be3Mn2+4(SiO4)3S
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Hematite
Formula: Fe2O3
Reference: Raade, G. (2010): Chemical composition of acmite/aegirine intergrowths from Rundemyr, Eiker. Norsk Bergverksmuseum Skrift 43: 29-34
Ilvaite
Formula: CaFe3+Fe2+2(Si2O7)O(OH)
Description: Not found at Rundemyr, but near the locality. (Neumann 1985 p 160)
Reference: Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68. 278 pp
'K Feldspar'
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
'Manganese Oxides'
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Muscovite ?
Formula: KAl2(AlSi3O10)(OH)2
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Pyrite
Formula: FeS2
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Pyrophanite
Formula: Mn2+TiO3
Reference: Raade, G. (2010): Chemical composition of acmite/aegirine intergrowths from Rundemyr, Eiker. Norsk Bergverksmuseum Skrift 43: 29-34
Quartz
Formula: SiO2
Reference: Strøm, P. (1821): Undersökning af ett nytt Fossil. Kongliga Vetenskaps-Academiens Handlingar, 160-163
'Stilbite subgroup'
Description: Analyzed with XRD, can also theoretically be stellerite
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Zircon
Formula: Zr(SiO4)
Reference: Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Pyrophanite4.CB.05Mn2+TiO3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Group 9 - Silicates
Aegirine (TL)9.DA.25NaFe3+Si2O6
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Genthelvite9.FB.10Be3Zn4(SiO4)3S
Helvine9.FB.10Be3Mn2+4(SiO4)3S
Ilvaite9.BE.07CaFe3+Fe2+2(Si2O7)O(OH)
Muscovite ?9.EC.15KAl2(AlSi3O10)(OH)2
Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'K Feldspar'-
'Manganese Oxides'-
'Stilbite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Pyrophanite4.3.5.3Mn2+TiO3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Ilvaite56.2.3.3CaFe3+Fe2+2(Si2O7)O(OH)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Vesuvianite58.2.4.1Ca19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine (TL)65.1.3c.2NaFe3+Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite ?71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Genthelvite76.2.4.3Be3Zn4(SiO4)3S
Helvine76.2.4.1Be3Mn2+4(SiO4)3S
Unclassified Minerals, Mixtures, etc.
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'K Feldspar'-
'Manganese Oxides'-
'Stilbite subgroup'-

List of minerals for each chemical element

HHydrogen
H IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Goethiteα-Fe3+O(OH)
H Pyrochlore GroupA2Nb2(O,OH)6Z
H VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be GenthelviteBe3Zn4(SiO4)3S
Be HelvineBe3Mn42+(SiO4)3S
CCarbon
C CerussitePbCO3
C CalciteCaCO3
OOxygen
O AegirineNaFe3+Si2O6
O IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
O QuartzSiO2
O GenthelviteBe3Zn4(SiO4)3S
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O HematiteFe2O3
O PyrophaniteMn2+TiO3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O AlbiteNa(AlSi3O8)
O CerussitePbCO3
O HelvineBe3Mn42+(SiO4)3S
O Goethiteα-Fe3+O(OH)
O CalciteCaCO3
O Pyrochlore GroupA2Nb2(O,OH)6Z
O VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
O ZirconZr(SiO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na AegirineNaFe3+Si2O6
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
AlAluminium
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al AlbiteNa(AlSi3O8)
Al VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si AegirineNaFe3+Si2O6
Si IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Si QuartzSiO2
Si GenthelviteBe3Zn4(SiO4)3S
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si AlbiteNa(AlSi3O8)
Si HelvineBe3Mn42+(SiO4)3S
Si VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Si ZirconZr(SiO4)
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S GenthelviteBe3Zn4(SiO4)3S
S GalenaPbS
S HelvineBe3Mn42+(SiO4)3S
S PyriteFeS2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca CalciteCaCO3
Ca VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
TiTitanium
Ti PyrophaniteMn2+TiO3
MnManganese
Mn PyrophaniteMn2+TiO3
Mn HelvineBe3Mn42+(SiO4)3S
FeIron
Fe AegirineNaFe3+Si2O6
Fe IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Fe HematiteFe2O3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Goethiteα-Fe3+O(OH)
Fe PyriteFeS2
Fe VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
ZnZinc
Zn GenthelviteBe3Zn4(SiO4)3S
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
PbLead
Pb GalenaPbS
Pb CerussitePbCO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Strøm, H. (1784): Physisk-Oekonomisk Beskrivelse over Eger-Præstegiæld i Aggerhuus-Stift i Norge; tilligemed et geografisk kort over samme. Kiøbenhavn, Gyldendals Forlag 1784, 288p. [first note on aegirine from Rundemyr, as " crystalliseret hornsteen eller brun kantet og riflet Schoel"]
Strøm, P. (1821): Undersökning af ett nytt Fossil. Kongliga Vetenskaps-Academiens Handlingar, 160-163 [first report on find of acmite = aegirine]
Berzelius, J. (1821): Tillägg til föregående Afhandling. Kongliga Vetenskaps-Academiens Handlingar, 163-166 [on acmite]
Möller, N.B. (1825): Achmit fra Eger. Magazin for Naturvidenskaberne, 6, 174-181
Möller, N.B. (1825): On the Locality of Acmite. Edinburgh Journal of Science, 3, 326-327
Möller, N.B. (1825): Nachricht über den Fundort des Akmit’s. Annalen der Physik und Chemie (herausgegeben zu Berlin von J.C. Poggendorff), 81,177-179
Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie, 16: 298-318 + Plate 14
Grout, F.F. (1946): Acmite occurences on the Cuyuna Range, Minnesota. American Mineralogist. 31: 125-130 [with an analysis of "acmite" from Rundemyr]
Raade, G. (1996): Minerals originally described from Norway. Bergverksmuseet Skrift 11, p 17-18 [on Acmite (= aegirine) from Rundemyr]
Raade, G. (2010): Chemical composition of acmite/aegirine intergrowths from Rundemyr, Eiker. Norsk Bergverksmuseum Skrift 43: 29-34
Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64
Larsen, K. E. & Stensrud, S. (2014): Norske typelokaliteter 2: Rundemyrpegmatitten i Øvre Eiker, Buskerud. Stein. 41 (4),4-14.

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