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Corundum-bearing pegmatite, Alvand Mountains, Hamadan Province, Irani
Regional Level Types
Corundum-bearing pegmatitePegmatite
Alvand MountainsMountain Range
Hamadan ProvinceProvince
IranCountry

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Latitude & Longitude (WGS84):
32° 43' 30'' North , 48° 30' 0'' East
Latitude & Longitude (decimal):
32.72500,48.50000
GeoHash:
G#:tjf6ptksg
GRN:
N22E30
Type:
Pegmatite
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Shahrak-e Kūlūrī1,941(2016)41.5km
Mindat Locality ID:
446388
Long-form identifier:
mindat:1:2:446388:0
GUID (UUID V4):
6362cd48-59eb-48ce-b39e-4f1d4eb8d0a7


A N20E trending pegmatite dyke, about 80 m long and 1-2 m thick is intruded the contact metamorphic rocks (andalusite, garnet and cordierite-bearing hornfels) and the Alvand granitoid, at south of Hamedan. Corundum-bearing pegmatite (CBP) dyke contains grey to blue corundum, 2-60 mm across. The contact between the dyke and the granitoid is not sharp and has a curvature and zigzag pattern, implying its intrusion, while the granitoid was still warm.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘAlbite
Formula:Na(AlSi3O8)
ⓘAlbite var. Pericline
Formula:Na(AlSi3O8)
ⓘ'Allanite Group'
Formula:(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘAndalusite
Formula:Al2(SiO4)O
ⓘ'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
ⓘCordierite
Formula:(Mg,Fe)2Al3(AlSi5O18)
ⓘCorundum
Formula:Al2O3
ⓘCorundum var. Sapphire
Formula:Al2O3
ⓘ'Garnet Group'
Formula:X3Z2(SiO4)3
ⓘHercynite
Formula:Fe2+Al2O4
ⓘ'K Feldspar'
ⓘMicrocline
Formula:K(AlSi3O8)
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘMuscovite var. Sericite
Formula:KAl2(AlSi3O10)(OH)2
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘQuartz
Formula:SiO2
ⓘSpinel
Formula:MgAl2O4
ⓘ'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
ⓘHercynite4.BB.05Fe2+Al2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘCorundum4.CB.05Al2O3
ⓘvar. Sapphire4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘAndalusite9.AF.10Al2(SiO4)O
ⓘCordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Pericline9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](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ⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
HⓘApatiteCa5(PO4)3(Cl/F/OH)
HⓘAllanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BBoron
BⓘTourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
OⓘAlbiteNa(AlSi3O8)
OⓘAndalusiteAl2(SiO4)O
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘCordierite(Mg,Fe)2Al3(AlSi5O18)
OⓘCorundumAl2O3
OⓘHercyniteFe2+Al2O4
OⓘMicroclineK(AlSi3O8)
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘQuartzSiO2
OⓘCorundum var.SapphireAl2O3
OⓘSpinelMgAl2O4
OⓘTourmalineAD3G6 (T6O18)(BO3)3X3Z
OⓘZirconZr(SiO4)
OⓘAlbite var.PericlineNa(AlSi3O8)
OⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
OⓘGarnet GroupX3Z2(SiO4)3
OⓘApatiteCa5(PO4)3(Cl/F/OH)
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
FⓘApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
NaⓘAlbiteNa(AlSi3O8)
NaⓘAlbite var.PericlineNa(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
MgⓘCordierite(Mg,Fe)2Al3(AlSi5O18)
MgⓘSpinelMgAl2O4
AlAluminium
AlⓘAlbiteNa(AlSi3O8)
AlⓘAndalusiteAl2(SiO4)O
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘCordierite(Mg,Fe)2Al3(AlSi5O18)
AlⓘCorundumAl2O3
AlⓘHercyniteFe2+Al2O4
AlⓘMicroclineK(AlSi3O8)
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘCorundum var.SapphireAl2O3
AlⓘSpinelMgAl2O4
AlⓘAlbite var.PericlineNa(AlSi3O8)
AlⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘAlbiteNa(AlSi3O8)
SiⓘAndalusiteAl2(SiO4)O
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘCordierite(Mg,Fe)2Al3(AlSi5O18)
SiⓘMicroclineK(AlSi3O8)
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘQuartzSiO2
SiⓘZirconZr(SiO4)
SiⓘAlbite var.PericlineNa(AlSi3O8)
SiⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
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ⓘ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ⓘMicroclineK(AlSi3O8)
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
KⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘCordierite(Mg,Fe)2Al3(AlSi5O18)
FeⓘHercyniteFe2+Al2O4
ZrZirconium
ZrⓘZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

Arabian Plate
AsiaContinent
Asia
Eurasian PlateTectonic Plate
Indian Plate (India Plate)

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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

[1]Alehashem, Fariba Sajjadi, Moazzen, Mohssen, Jahangiri, Ahmad (2021) Introducing semi-gem quality blue corundum from the Alvand complex, Hamedan, west Iran.Periodico di Mineralogia, 90 (2). 43-57
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