Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Matoneva, Kaustinen, Central Ostrobothnia, Finlandi
Regional Level Types
MatonevaPegmatite
KaustinenMunicipality
Central OstrobothniaRegion
FinlandCountry

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Latitude & Longitude (WGS84):
63° 36' North , 23° 37' East
Latitude & Longitude (decimal):
63.60000,23.61667
GRN:
N43E08
Type:
Pegmatite
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Kaustinen4,404 (2015)6.7km
Veteli3,523 (2014)15.8km
Ullava1,048 (2014)23.1km
Evijärvi2,878 (2014)26.8km
Kälviä4,449 (2014)30.1km
Mindat Locality ID:
461309
Long-form identifier:
mindat:1:2:461309:4
GUID (UUID V4):
0


Steeply-dipping dyke (c. 8 m thick, strike length not reported)
Concordant metamorphic foliations in wall rock
Unzoned pegmatite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Rock Types Recorded

Note: 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:

ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Cassiterite
Formula: SnO2
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Spodumene
Formula: LiAlSi2O6

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘCassiterite4.DB.05SnO2
Group 9 - Silicates
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
LiLithium
Liⓘ SpodumeneLiAlSi2O6
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
OOxygen
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CassiteriteSnO2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ SpodumeneLiAlSi2O6
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ Garnet GroupX3Z2(SiO4)3
AlAluminium
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SpodumeneLiAlSi2O6
SiSilicon
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ SpodumeneLiAlSi2O6
Siⓘ Garnet GroupX3Z2(SiO4)3
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
MnManganese
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
NbNiobium
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
SnTin
Snⓘ CassiteriteSnO2

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate
EuropeContinent

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

Lynch, Edward P.; Szentpéteri, Krisztián; Andersson, Joel B.H.; Kuusela, Janne; Sadeghi, Martiya; Bauer, Tobias E. (2025) Lithium-caesium-tantalum (LCT) pegmatite mineralization in the Paleoproterozoic central Fennoscandian Shield (Sweden and Finland): A review of geological characteristics and assessment of mineral system commonalities. Ore Geology Reviews, 184. 106739 doi:10.1016/j.oregeorev.2025.106739
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