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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Rognfjell, Hessdalen, Holtålen, Trøndelag, Norwayi
Regional Level Types
RognfjellOutcrop
HessdalenVillage
HoltålenMunicipality
TrøndelagCounty
NorwayCountry

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Latitude & Longitude (WGS84):
62° 49' 29'' North , 11° 13' 1'' East
Latitude & Longitude (decimal):
62.82497,11.21701
GeoHash:
G#: u5pvrhzvz
GRN:
N42E04
Type:
Outcrop
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Røros3,496 (2018)29.1km
Os626 (2010)36.5km
Tolga646 (2010)47.6km
Mindat Locality ID:
221146
Long-form identifier:
mindat:1:2:221146:9
GUID (UUID V4):
0
Other/historical names associated with this locality:
Rognefjell
Other Languages:
Norwegian:
Rognfjell, Hessdalen, Holtålen, Trøndelag, Norge


Large, up to 5 cm porphyroblasts of andalusite in Al-rich pelites of the Gula group (Bøe 1974).

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 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:

ⓘ Andalusite
Formula: Al2(SiO4)O
Description: Pseudomorphs
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Chlorite Group'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Kyanite
Formula: Al2(SiO4)O
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Staurolite
Formula: Fe2+2Al9Si4O23(OH)
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘAndalusite9.AF.10Al2(SiO4)O
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘStaurolite9.AF.30Fe2+2Al9Si4O23(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ StauroliteFe22+Al9Si4O23(OH)
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ AndalusiteAl2(SiO4)O
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ KyaniteAl2(SiO4)O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ StauroliteFe22+Al9Si4O23(OH)
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ ZirconZr(SiO4)
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AndalusiteAl2(SiO4)O
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ KyaniteAl2(SiO4)O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ StauroliteFe22+Al9Si4O23(OH)
SiSilicon
Siⓘ AndalusiteAl2(SiO4)O
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ KyaniteAl2(SiO4)O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ StauroliteFe22+Al9Si4O23(OH)
Siⓘ ZirconZr(SiO4)
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ RutileTiO2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ StauroliteFe22+Al9Si4O23(OH)
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion

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

www.ngu.no (n.d.) https://www.ngu.no/filearchive/NGUPublikasjoner/NGUnr_304_Bulletin_23_Boe_33_46.pdf
Bøe, P. (1974) Petrography of the Gula group in Hessdalen, southeastern Trondheim region, with special reference to the paragonitization of andalusite pseudomorphs. Norges Geologiske Undersøkelse. 304: 33-46.
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