SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Hortavær, Leka, Trøndelag, Norwayi
Regional Level Types
HortaværGroup of Islands
LekaMunicipality
TrøndelagCounty
NorwayCountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Latitude & Longitude (WGS84):
65° 12' 26'' North , 11° 26' 12'' East
Latitude & Longitude (decimal):
Area:
25 km2
Locality type:
Group of Islands
Other/historical names associated with this locality:
Horta
Other Languages:
Norwegian:
Hortavær, Leka, Trøndelag, Norge


Geographically Hortavær consists of 360 skerries, small islets and islands W of Leka Island. Geologically, the area belongs to the Hortavær Igneous Complex (465 Ma), a part of the Bindal batolith (482-425 Ma)

Regions containing this locality

Eurasian PlateTectonic Plate
ScandinaviaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

9 valid minerals.

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Habit: elongated prismatic xls to 4mm
Colour: Apple-green
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
'Albite-Anorthite Series'
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
Calcite
Formula: CaCO3
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: Gustavson, M. & Prestvik, T. (1979): The igneous complex of Hortavær, Nord-Trøndelag, central Norway. Norges Geologiske Undersøkelse, 348: 73-92
Ilmenite
Formula: Fe2+TiO3
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
'K Feldspar'
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
Pyrite
Formula: FeS2
Reference: Prestvik, T. & Barnes, C.G. (2007): A new occurrence of aegirine in Norway. Norwegian Journal of Geology 87: 451-456
Sillimanite
Formula: Al2(SiO4)O
Reference: Gustavson, M. & Prestvik, T. (1979): The igneous complex of Hortavær, Nord-Trøndelag, central Norway. Norges Geologiske Undersøkelse, 348: 73-92 (p. 76)
Stilpnomelane
Formula: (K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Reference: Gustavson, M. & Prestvik, T. 1979: The igneous complex of Hortavær, Nord-Trøndelag, central Norway. Norges Geologiske Undersøkelse, 348:73-92
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Reference: Barth, T.F.W. (1963): Contributions to the mineralogy of Norway. No. 22. Vesuvianite from Kristiansand, other occurrences in Norway, the general formula of vesuvianite. Norsk Geologisk Tidsskrift, 43, 457-472

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Ilmenite4.CB.05Fe2+TiO3
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Sillimanite9.AF.05Al2(SiO4)O
Stilpnomelane9.EG.40(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Vesuvianite9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'K Feldspar'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Sillimanite52.2.2a.1Al2(SiO4)O
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)
Vesuvianite58.2.4.1(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined islands
Stilpnomelane74.1.1.1(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'K Feldspar'-

List of minerals for each chemical element

HHydrogen
H Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
BBoron
B Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
CCarbon
C CalciteCaCO3
OOxygen
O SillimaniteAl2(SiO4)O
O Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
O AegirineNaFe3+Si2O6
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O CalciteCaCO3
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O IlmeniteFe2+TiO3
O Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
FFluorine
F Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Na AegirineNaFe3+Si2O6
Na Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
MgMagnesium
Mg Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al SillimaniteAl2(SiO4)O
Al Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
SiSilicon
Si SillimaniteAl2(SiO4)O
Si Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Si AegirineNaFe3+Si2O6
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
SSulfur
S PyriteFeS2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
CaCalcium
Ca Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Ca CalciteCaCO3
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
TiTitanium
Ti IlmeniteFe2+TiO3
FeIron
Fe Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Fe AegirineNaFe3+Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
Fe Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Gustavson, M. & Prestvik, T. (1979): The igneous complex of Hortavær, Nord-Trøndelag, central Norway. Norges Geologiske Undersøkelse, 348:73-92

Localities in this Region


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.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 13, 2019 05:22:01 Page generated: July 30, 2019 08:57:09
Go to top of page