Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for your votes!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
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 ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced 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 MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Frøyså, Iveland, Agder, Norwayi
Regional Level Types
FrøysåFarm
IvelandMunicipality
AgderCounty
NorwayCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
Latitude & Longitude (WGS84):
58° 25' 12'' North , 7° 54' 29'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Vennesla10,931 (2014)17.3km
Birkeland2,254 (2010)21.3km
Tveit1,397 (2010)24.2km
Strai1,266 (2013)25.7km
Justvik1,630 (2014)25.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Sørlandets GeologiforeningKristiansand30km
Mindat Locality ID:
51149
Long-form identifier:
mindat:1:2:51149:3
GUID (UUID V4):
0
Other Languages:
Norwegian:
Frøyså, Iveland, Agder, Norge


In the early 1930s, there were at least 5 different pegmatites worked as feldspar quarries all belonging to the land of the Frøyså Farm. They are situated south of the farm and on the southern and western slope of the hill Frøysååsen. These are respectively described, following Bjørlykke (1934), as Frøyså 1, 2, 3, 4, and 5.

Comment by Ronald Werner, March 2018:
After Bjørlykke's time, many more quarries have been operative. At least 22 different quarries and prospects have been identified by 2018. This and the fact that the maps of Bjørlykke (1934) and Stensrud (2009) don't correspond to the actual location of quarries makes it very hard, if not impossible to positively identify the original Bjørlykke localities.

Anyone interested in this quest can order a PDF file from the Evje og Hornnes geomuseum Fennefoss. In this document, I have brought together the registrations of Andreas Corneliussen and Bjørlykke/Stensrud.

The coordinates given are for the farmhouse.

Coordinates © Kartverket - https://www.kartverket.no

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

21 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Aeschynite-(Y)
Formula: Y(TiNb)O6
Albite
Formula: Na(AlSi3O8)
Albite var. Peristerite
Formula: Na(AlSi3O8)
Allanite-(Ce) ?
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
'Almandine-Spessartine Series'
Habit: Dark crystals with high lustre. Size up to minimum 4 cm. The garnets are found in feldspar, smokey quartz and inbetween biotite sheets. The latter ones are normally flattened.
Description: Garnets from the nearby Frøyså 3 quarry has been analyzed and found to be a spessartine with a significant almandine content(Larsen 1980). No analysis has been done on garnets from Frøyså 1
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 8 localities in this region.
Description: Large sheets > 1 sq.m, but also nicely developed smaller crystals up to minimum 5 cm.
Chalcopyrite
Formula: CuFeS2
Euxenite-(Y) ?
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Description: Bjørlykke (1934) lists it as "euxenite group"
'Feldspar Group'
Localities: Reported from at least 14 localities in this region.
'Feldspar Group var. Perthite'
'Fergusonite'
Habit: Well developed crystals up to 4 cm in length
Fergusonite-(Y)
Formula: YNbO4
'Gadolinite'
Gadolinite-(Y)
Formula: Y2Fe2+Be2Si2O10
'Garnet Group'
Formula: X3Z2(SiO4)3
Goethite
Formula: Fe3+O(OH)
'K Feldspar'
Description: A greenish colored K feldspar is reported from this locality (Corneliussen 2012)
Magnetite
Formula: Fe2+Fe3+2O4
Microcline
Formula: K(AlSi3O8)
Localities: Reported from at least 7 localities in this region.
Microcline var. Amazonite
Formula: K(AlSi3O8)
Molybdenite
Formula: MoS2
Description: On microcline xls. A crystal mass of 30 kg (!) molybdenite has been found here (Bjørlykke 1934)
Monazite-(Ce)
Formula: Ce(PO4)
'Monazite Group'
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 6 localities in this region.
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Localities: Reported from at least 7 localities in this region.
Description: Relatively common, also as "moonstone". Also graphic granite with "moonstone" plagioclase can be found. This material has a potential as lapidary material
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Localities: Reported from at least 8 localities in this region.
Quartz var. Smoky Quartz
Formula: SiO2
Rozenite
Formula: FeSO4 · 4H2O
Description: Found on altered pyrite in one of the Frøyså pegmatites by T.Garmo 1974.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Description: The garnets are analysed with the following result:

SiO2: 36,16; TiO2:o,24; Al2O3:19,60; Fe2O3:2,65;FeO:19,83;Mn:20,46;CaO:0,38;MgO:1,30 REE2O3:0,62
Titanite
Formula: CaTiO(SiO4)
References:
Titanite var. Yttrium-bearing Titanite
Formula: (Ca,Y)TiSiO5
Xenotime-(Y)
Formula: Y(PO4)
Zircon
Formula: Zr(SiO4)
Zircon var. Alvite
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
Aeschynite-(Y)4.DF.05Y(TiNb)O6
Euxenite-(Y) ?4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Rozenite7.CB.15FeSO4 · 4H2O
Fergusonite-(Y)7.GA.05YNbO4
Group 8 - Phosphates, Arsenates and Vanadates
Xenotime-(Y)8.AD.35Y(PO4)
Monazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Zircon
var. Alvite
9.AD.30Zr(SiO4)
9.AD.30Zr(SiO4)
Titanite9.AG.15CaTiO(SiO4)
var. Yttrium-bearing Titanite9.AG.15(Ca,Y)TiSiO5
Gadolinite-(Y)9.AJ.20Y2Fe2+Be2Si2O10
Allanite-(Ce) ?9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Beryl9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Microcline
var. Amazonite
9.FA.30K(AlSi3O8)
9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Peristerite9.FA.35Na(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Feldspar Group'-
'Monazite Group'-REE(PO4)
'Feldspar Group
var. Perthite'
-
'Almandine-Spessartine Series'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'K Feldspar'-
'Garnet Group'-X3Z2(SiO4)3
'Gadolinite'-
'Fergusonite'-
'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H GoethiteFe3+O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H RozeniteFeSO4 · 4H2O
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
Be Gadolinite-(Y)Y2Fe2+Be2Si2O10
OOxygen
O Aeschynite-(Y)Y(TiNb)O6
O AlbiteNa(AlSi3O8)
O Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
O Zircon var. AlviteZr(SiO4)
O Microcline var. AmazoniteK(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 Fergusonite-(Y)YNbO4
O Gadolinite-(Y)Y2Fe2+Be2Si2O10
O GoethiteFe3+O(OH)
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O Monazite GroupREE(PO4)
O Monazite-(Ce)Ce(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O RozeniteFeSO4 · 4H2O
O Quartz var. Smoky QuartzSiO2
O SpessartineMn32+Al2(SiO4)3
O TitaniteCaTiO(SiO4)
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
O Albite var. PeristeriteNa(AlSi3O8)
O Titanite var. Yttrium-bearing Titanite(Ca,Y)TiSiO5
O Almandine-Spessartine Series
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Garnet GroupX3Z2(SiO4)3
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
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite var. PeristeriteNa(AlSi3O8)
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
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Al Microcline var. AmazoniteK(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 SpessartineMn32+Al2(SiO4)3
Al Albite var. PeristeriteNa(AlSi3O8)
Al Almandine-Spessartine Series
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Si Zircon var. AlviteZr(SiO4)
Si Microcline var. AmazoniteK(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si Gadolinite-(Y)Y2Fe2+Be2Si2O10
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Quartz var. Smoky QuartzSiO2
Si SpessartineMn32+Al2(SiO4)3
Si TitaniteCaTiO(SiO4)
Si ZirconZr(SiO4)
Si Albite var. PeristeriteNa(AlSi3O8)
Si Titanite var. Yttrium-bearing Titanite(Ca,Y)TiSiO5
Si Almandine-Spessartine Series
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Garnet GroupX3Z2(SiO4)3
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
P Monazite GroupREE(PO4)
P Monazite-(Ce)Ce(PO4)
P Xenotime-(Y)Y(PO4)
SSulfur
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
S PyriteFeS2
S RozeniteFeSO4 · 4H2O
KPotassium
K Microcline var. AmazoniteK(AlSi3O8)
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 Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca TitaniteCaTiO(SiO4)
Ca Titanite var. Yttrium-bearing Titanite(Ca,Y)TiSiO5
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Ti Aeschynite-(Y)Y(TiNb)O6
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 TitaniteCaTiO(SiO4)
Ti Titanite var. Yttrium-bearing Titanite(Ca,Y)TiSiO5
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
Mn Almandine-Spessartine Series
FeIron
Fe Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe Gadolinite-(Y)Y2Fe2+Be2Si2O10
Fe GoethiteFe3+O(OH)
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe RozeniteFeSO4 · 4H2O
Fe Almandine-Spessartine Series
CuCopper
Cu ChalcopyriteCuFeS2
YYttrium
Y Aeschynite-(Y)Y(TiNb)O6
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Fergusonite-(Y)YNbO4
Y Gadolinite-(Y)Y2Fe2+Be2Si2O10
Y Xenotime-(Y)Y(PO4)
Y Titanite var. Yttrium-bearing Titanite(Ca,Y)TiSiO5
ZrZirconium
Zr Zircon var. AlviteZr(SiO4)
Zr ZirconZr(SiO4)
NbNiobium
Nb Aeschynite-(Y)Y(TiNb)O6
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Fergusonite-(Y)YNbO4
MoMolybdenum
Mo MolybdeniteMoS2
CeCerium
Ce Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ce Monazite-(Ce)Ce(PO4)
TaTantalum
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

Localities in this Region

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Norway

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

 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 5, 2026 02:12:01 Page updated: July 26, 2026 08:01:39
Go to top of page