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Niemelä pegmatite, Eräjärvi area, Orivesi, Western and Inner Finland Region, Finland

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 61° North , 24° East (est.)
Margin of Error:~5km
Locality type:Pegmatite
Köppen climate type:Dfc : Subarctic climate


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Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 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!

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Alphabetical List Tree Diagram

Detailed Mineral List:

'Almandine-Spessartine Series'
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
'Apatite'
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Bertrandite
Formula: Be4(Si2O7)(OH)2
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Beryl
Formula: Be3Al2(Si6O18)
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Cassiterite
Formula: SnO2
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Columbite-(Fe)
Formula: FeNb2O6
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Columbite-(Mn)
Formula: (Mn,Fe)(Nb,Ta)2O6
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Ixiolite
Formula: (Ta,Nb,Sn,Fe,Mn)4O8
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
'Pegmatite'
Reference: Automatically generated from locality name
Pyrochlore Supergroup
Formula: A2-mD2X6-wZ1-n
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Zircon
Formula: Zr(SiO4)
Reference: Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
'Columbite-(Fe)'4.DB.35FeNb2O6
'Columbite-(Mn)'4.DB.35(Mn,Fe)(Nb,Ta)2O6
'Ixiolite'4.DB.25(Ta,Nb,Sn,Fe,Mn)4O8
Group 9 - Silicates
'Bertrandite'9.BD.05Be4(Si2O7)(OH)2
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Schorl'9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
'Zircon'9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Almandine-Spessartine Series'-
'Apatite'-
'Pegmatite'-
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Ixiolite8.1.10.1(Ta,Nb,Sn,Fe,Mn)4O8
AB2O6
Columbite-(Fe)8.3.2.2FeNb2O6
Columbite-(Mn)8.3.2.4(Mn,Fe)(Nb,Ta)2O6
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] coordination
Bertrandite56.1.1.1Be4(Si2O7)(OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
'Almandine-Spessartine Series'-
'Apatite'-
'Pegmatite'-
Pyrochlore Supergroup-A2-mD2X6-wZ1-n

List of minerals for each chemical element

HHydrogen
H BertranditeBe4(Si2O7)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be BertranditeBe4(Si2O7)(OH)2
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O BertranditeBe4(Si2O7)(OH)2
O BerylBe3Al2(Si6O18)
O CassiteriteSnO2
O Columbite-(Fe)FeNb2O6
O Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
O Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O ZirconZr(SiO4)
NaSodium
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al BerylBe3Al2(Si6O18)
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Si BertranditeBe4(Si2O7)(OH)2
Si BerylBe3Al2(Si6O18)
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si ZirconZr(SiO4)
MnManganese
Mn Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Mn Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
FeIron
Fe Columbite-(Fe)FeNb2O6
Fe Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Columbite-(Fe)FeNb2O6
Nb Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Nb Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
SnTin
Sn CassiteriteSnO2
TaTantalum
Ta Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Ta Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118


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