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Sommergraben, Sankt Stefan ob Leoben, Leoben District, Styria, Austriai
Regional Level Types
SommergrabenMine (Abandoned)
Sankt Stefan ob LeobenMunicipality
Leoben DistrictDistrict
StyriaState
AustriaCountry

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PhotosMapsSearchMineralogy
Latitude & Longitude (WGS84):
47° 17' 39'' North , 14° 57' 56'' East
Latitude & Longitude (decimal):
Type:
Mine (Abandoned) - last checked 2023
Nearest Settlements:
PlacePopulationDistance
Niederdorf125 (2018)0.7km
Kraubath an der Mur995 (2018)2.5km
Leising239 (2018)2.5km
Sankt Stefan ob Leoben1,022 (2018)2.7km
Lobming357 (2018)3.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Vereinigung der Leobener MineralienfreundeSt. Marein-Feistritz, Styria6km
Mindat Locality ID:
58742
Long-form identifier:
mindat:1:2:58742:3
GUID (UUID V4):
0
Name(s) in local language(s):
Sommergraben, St. Stefan ob Leoben, Leoben, Steiermark, Österreich


Mainly 19th century chromite mines in the western part of the Sommergraben, located SE of Kraubath.

Two previously accessible adits (on private property) were collapsed with the help of explosives in about 2013/2014.

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

28 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
References:
Actinolite var. Smaragdite
Formula: Ca2(Mg,Fe2+,Cr)5Si8O22(OH)2
References:
Andradite
Formula: Ca3Fe3+2(SiO4)3
References:
C.Auer (2026)Identification: Visual Identification
Andradite var. Demantoid
Formula: Ca3Fe3+2(SiO4)3
References:
C.Auer (2026)Identification: Visual Identification
Anthophyllite
Formula: ◻Mg2Mg5(Si8O22)(OH)2
References:
Arsenopyrite
Formula: FeAsS
Brucite
Formula: Mg(OH)2
Chromite
Formula: Fe2+Cr3+2O4
Cuproiridsite
Formula: (Cu,Fe)Ir2S4
Cuprorhodsite
Formula: (Cu+0.5Fe3+0.5)Rh3+2S4
Digenite
Formula: Cu9S5
Dypingite
Formula: Mg5(CO3)4(OH)2 · 5H2O
References:
C.Auer (2026)Identification: Visual Identification
Enstatite
Formula: Mg2Si2O6
Enstatite var. Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
Heazlewoodite
Formula: Ni3S2
Hollingworthite
Formula: (Rh,Pt,Pd)AsS
Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
Isoferroplatinum
Formula: Pt3Fe
Kashinite
Formula: Ir2S3
Lansfordite
Formula: MgCO3 · 5H2O
References:
Laurite
Formula: RuS2
Magnetite
Formula: Fe2+Fe3+2O4
References:
Mcguinnessite
Formula: (Mg,Cu)2(CO3)(OH)2
Native Platinum
Formula: Pt
Native Ruthenium
Formula: (Ru,Ir)
Nesquehonite
Formula: MgCO3 · 3H2O
References:
Nickeline
Formula: NiAs
Orcelite ?
Formula: Ni5-xAs2, x ~ 0.25
References:
C.Auer (2025)Identification: SEM-EDS
Pentlandite
Formula: (NixFey)Σ9S8
Ruarsite
Formula: (Ru,Os)AsS
Sperrylite
Formula: PtAs2
Sperrylite var. Platarsite
Formula: Pt(As,S)2
'Unnamed (Ni-Ir Sulphide II)'
Formula: (Ni,Fe,Cu)2(Ir,Rh)S3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Ruthenium1.AF.05(Ru,Ir)
Native Platinum1.AF.10Pt
Isoferroplatinum1.AG.35Pt3Fe
Group 2 - Sulphides and Sulfosalts
Orcelite ?2.AB.10Ni5-xAs2, x ~ 0.25
Digenite2.BA.10Cu9S5
Heazlewoodite2.BB.05Ni3S2
Pentlandite2.BB.15(NixFey)Σ9S8
Nickeline2.CC.05NiAs
Cuproiridsite2.DA.05(Cu,Fe)Ir2S4
Cuprorhodsite2.DA.05(Cu+0.5Fe3+0.5)Rh3+2S4
Kashinite2.DB.15Ir2S3
Laurite2.EB.05aRuS2
Sperrylite2.EB.05aPtAs2
Arsenopyrite2.EB.20FeAsS
Ruarsite2.EB.20(Ru,Os)AsS
Hollingworthite2.EB.25(Rh,Pt,Pd)AsS
Irarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Sperrylite
var. Platarsite
2.EB.25Pt(As,S)2
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Brucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
Mcguinnessite5.BA.10(Mg,Cu)2(CO3)(OH)2
Nesquehonite5.CA.05MgCO3 · 3H2O
Lansfordite5.CA.10MgCO3 · 5H2O
Dypingite5.DA.05Mg5(CO3)4(OH)2 · 5H2O
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
var. Demantoid9.AD.25Ca3Fe3+2(SiO4)3
Enstatite9.DA.05Mg2Si2O6
var. Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
Anthophyllite9.DD.05◻Mg2Mg5(Si8O22)(OH)2
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
var. Smaragdite9.DE.10Ca2(Mg,Fe2+,Cr)5Si8O22(OH)2
Unclassified
'Unnamed (Ni-Ir Sulphide II)'-(Ni,Fe,Cu)2(Ir,Rh)S3

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
H BruciteMg(OH)2
H DypingiteMg5(CO3)4(OH)2 · 5H2O
H LansforditeMgCO3 · 5H2O
H Mcguinnessite(Mg,Cu)2(CO3)(OH)2
H NesquehoniteMgCO3 · 3H2O
H Actinolite var. SmaragditeCa2(Mg,Fe2+,Cr)5Si8O22(OH)2
CCarbon
C DypingiteMg5(CO3)4(OH)2 · 5H2O
C LansforditeMgCO3 · 5H2O
C Mcguinnessite(Mg,Cu)2(CO3)(OH)2
C NesquehoniteMgCO3 · 3H2O
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O AndraditeCa3Fe23+(SiO4)3
O Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
O BruciteMg(OH)2
O ChromiteFe2+Cr23+O4
O Andradite var. DemantoidCa3Fe23+(SiO4)3
O DypingiteMg5(CO3)4(OH)2 · 5H2O
O EnstatiteMg2Si2O6
O LansforditeMgCO3 · 5H2O
O MagnetiteFe2+Fe23+O4
O Mcguinnessite(Mg,Cu)2(CO3)(OH)2
O NesquehoniteMgCO3 · 3H2O
O Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
O Actinolite var. SmaragditeCa2(Mg,Fe2+,Cr)5Si8O22(OH)2
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Mg BruciteMg(OH)2
Mg DypingiteMg5(CO3)4(OH)2 · 5H2O
Mg EnstatiteMg2Si2O6
Mg LansforditeMgCO3 · 5H2O
Mg Mcguinnessite(Mg,Cu)2(CO3)(OH)2
Mg NesquehoniteMgCO3 · 3H2O
Mg Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Mg Actinolite var. SmaragditeCa2(Mg,Fe2+,Cr)5Si8O22(OH)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si AndraditeCa3Fe23+(SiO4)3
Si Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Si Andradite var. DemantoidCa3Fe23+(SiO4)3
Si EnstatiteMg2Si2O6
Si Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Si Actinolite var. SmaragditeCa2(Mg,Fe2+,Cr)5Si8O22(OH)2
SSulfur
S ArsenopyriteFeAsS
S Cuproiridsite(Cu,Fe)Ir2S4
S Cuprorhodsite(Cu+0.5Fe3+0.5)Rh23+S4
S DigeniteCu9S5
S HeazlewooditeNi3S2
S Hollingworthite(Rh,Pt,Pd)AsS
S Irarsite(Ir,Ru,Rh,Pt)AsS
S KashiniteIr2S3
S LauriteRuS2
S Pentlandite(NixFey)Σ9S8
S Sperrylite var. PlatarsitePt(As,S)2
S Ruarsite(Ru,Os)AsS
S Unnamed (Ni-Ir Sulphide II)(Ni,Fe,Cu)2(Ir,Rh)S3
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca AndraditeCa3Fe23+(SiO4)3
Ca Andradite var. DemantoidCa3Fe23+(SiO4)3
Ca Actinolite var. SmaragditeCa2(Mg,Fe2+,Cr)5Si8O22(OH)2
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Actinolite var. SmaragditeCa2(Mg,Fe2+,Cr)5Si8O22(OH)2
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe AndraditeCa3Fe23+(SiO4)3
Fe ArsenopyriteFeAsS
Fe ChromiteFe2+Cr23+O4
Fe Cuproiridsite(Cu,Fe)Ir2S4
Fe Cuprorhodsite(Cu+0.5Fe3+0.5)Rh23+S4
Fe Andradite var. DemantoidCa3Fe23+(SiO4)3
Fe IsoferroplatinumPt3Fe
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(NixFey)Σ9S8
Fe Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Fe Actinolite var. SmaragditeCa2(Mg,Fe2+,Cr)5Si8O22(OH)2
Fe Unnamed (Ni-Ir Sulphide II)(Ni,Fe,Cu)2(Ir,Rh)S3
NiNickel
Ni HeazlewooditeNi3S2
Ni NickelineNiAs
Ni OrceliteNi5-xAs2, x ~ 0.25
Ni Pentlandite(NixFey)Σ9S8
Ni Unnamed (Ni-Ir Sulphide II)(Ni,Fe,Cu)2(Ir,Rh)S3
CuCopper
Cu Cuproiridsite(Cu,Fe)Ir2S4
Cu Cuprorhodsite(Cu+0.5Fe3+0.5)Rh23+S4
Cu DigeniteCu9S5
Cu Mcguinnessite(Mg,Cu)2(CO3)(OH)2
Cu Unnamed (Ni-Ir Sulphide II)(Ni,Fe,Cu)2(Ir,Rh)S3
AsArsenic
As ArsenopyriteFeAsS
As Hollingworthite(Rh,Pt,Pd)AsS
As Irarsite(Ir,Ru,Rh,Pt)AsS
As NickelineNiAs
As OrceliteNi5-xAs2, x ~ 0.25
As Sperrylite var. PlatarsitePt(As,S)2
As Ruarsite(Ru,Os)AsS
As SperrylitePtAs2
RuRuthenium
Ru Irarsite(Ir,Ru,Rh,Pt)AsS
Ru LauriteRuS2
Ru Ruarsite(Ru,Os)AsS
Ru Native Ruthenium(Ru,Ir)
RhRhodium
Rh Cuprorhodsite(Cu+0.5Fe3+0.5)Rh23+S4
Rh Hollingworthite(Rh,Pt,Pd)AsS
Rh Irarsite(Ir,Ru,Rh,Pt)AsS
Rh Unnamed (Ni-Ir Sulphide II)(Ni,Fe,Cu)2(Ir,Rh)S3
PdPalladium
Pd Hollingworthite(Rh,Pt,Pd)AsS
OsOsmium
Os Ruarsite(Ru,Os)AsS
IrIridium
Ir Cuproiridsite(Cu,Fe)Ir2S4
Ir Irarsite(Ir,Ru,Rh,Pt)AsS
Ir KashiniteIr2S3
Ir Native Ruthenium(Ru,Ir)
Ir Unnamed (Ni-Ir Sulphide II)(Ni,Fe,Cu)2(Ir,Rh)S3
PtPlatinum
Pt Hollingworthite(Rh,Pt,Pd)AsS
Pt Irarsite(Ir,Ru,Rh,Pt)AsS
Pt IsoferroplatinumPt3Fe
Pt Sperrylite var. PlatarsitePt(As,S)2
Pt Native PlatinumPt
Pt SperrylitePtAs2

Localities in this Region

  • Styria
    • Leoben District

Other Regions, Features and Areas containing this locality

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.

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