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Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austriai
Regional Level Types
MuttlkogelHill
ZangtalValley
Köflach - Voitsberg lignite depositDeposit
KöflachMunicipality
Voitsberg DistrictDistrict
StyriaState
AustriaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
47° 3' 16'' North , 15° 9' 23'' East
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Voitsberg9,403 (2018)1.2km
Rosental an der Kainach1,678 (2018)2.6km
Bärnbach4,178 (2018)2.8km
Aichegg440 (2018)3.3km
Gasselberg256 (2018)4.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Vereinigung der Leobener MineralienfreundeSt. Marein-Feistritz, Styria31km
Mindat Locality ID:
57905
Long-form identifier:
mindat:1:2:57905:3
GUID (UUID V4):
1a2cabe0-cb71-46da-97bc-91f73aa59a46
Name(s) in local language(s):
Muttlkogel, Zangtaler Revier, Braunkohlelagerstätte Köflach - Voitsberg, Köflach, Steiermark, Österreich


Secondary minerals resulting from a formerly burning coal seam.

Summary of Walter & Postl (1983):

"Recently some rare sulfates could be found beside α-sulfur in an area of pyroschists during exploratory work at the Muttlkogel in the coal district of Zangtal near Voitsberg, Styria, Austria. Ammoniojarosite, NH4Fe33+(OH)6(S04)2 and voltaite, K2Fe52+Fe33+Al(SO4)12.18H2O, were studied in detail. The results of X-ray and IR-spectroscopical studies are given."

Note on the mineral list: Walter and Postl (1983) also report "white extremely small/thin acicular crystals whose identity could not be determined because of the small size of the available sample."

GPS coordinates are currently provisionally set to the "Ehemaliger Bergbau Zangtal" ("Former Zangtal Mine").

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 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:

'Alum Group'
Formula: XAl(SO4)2 · 12H2O
Description: mixed crystals of alum-k ("Kalialaun") and tschermigite ("Ammonalaun").
Alunogen
Formula: Al2(SO4)3 · 17H2O
Ammoniojarosite
Formula: (NH4)Fe3+3(SO4)2(OH)6
Habit: groups or tufts of lustrous crystals; powdery
Colour: yellow-brown
Description: First found in 1981 by a Mr. F. Arthofer from Voitsberg (Postl, 1982). Found growing on lignite ("Braunkohle"), sulphur and/or gypsum.
Baryte
Formula: BaSO4
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Habit: platelets
Colour: yellowish
Goethite
Formula: α-Fe3+O(OH)
Gypsum
Formula: CaSO4 · 2H2O
Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
Römerite
Formula: Fe2+Fe3+2(SO4)4 · 14H2O
Rozenite
Formula: FeSO4 · 4H2O
Salammoniac
Formula: NH4Cl
Sulphur
Formula: S8
Vivianite
Formula: Fe2+Fe2+2(PO4)2 · 8H2O
Voltaite
Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Habit: combinations of octahedra with cubes and rhombododecahedra
Colour: black
Description: Crystals up to 0.5mm.

Gallery:

(NH4)Fe3+3(SO4)2(OH)6 Ammoniojarosite
CaSO4 · 2H2O Gypsum
Fe2+Fe3+2(SO4)4 · 14H2O Römerite
Fe2+Fe2+2(PO4)2 · 8H2O Vivianite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 3 - Halides
Salammoniac3.AA.25NH4Cl
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Ammoniojarosite7.BC.10(NH4)Fe3+3(SO4)2(OH)6
Rozenite7.CB.15FeSO4 · 4H2O
Alunogen7.CB.45Al2(SO4)3 · 17H2O
Römerite7.CB.75Fe2+Fe3+2(SO4)4 · 14H2O
Halotrichite7.CB.85FeAl2(SO4)4 · 22H2O
Voltaite7.CC.25K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Gypsum7.CD.40CaSO4 · 2H2O
Copiapite7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Group 8 - Phosphates, Arsenates and Vanadates
Vivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O
Unclassified
'Alum Group'-XAl(SO4)2 · 12H2O

List of minerals for each chemical element

HHydrogen
H Alum GroupXAl(SO4)2 · 12H2O
H AlunogenAl2(SO4)3 · 17H2O
H Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H HalotrichiteFeAl2(SO4)4 · 22H2O
H RömeriteFe2+Fe23+(SO4)4 · 14H2O
H RozeniteFeSO4 · 4H2O
H SalammoniacNH4Cl
H VivianiteFe2+Fe22+(PO4)2 · 8H2O
H VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
NNitrogen
N Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
N SalammoniacNH4Cl
OOxygen
O Alum GroupXAl(SO4)2 · 12H2O
O AlunogenAl2(SO4)3 · 17H2O
O Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
O BaryteBaSO4
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HalotrichiteFeAl2(SO4)4 · 22H2O
O RömeriteFe2+Fe23+(SO4)4 · 14H2O
O RozeniteFeSO4 · 4H2O
O VivianiteFe2+Fe22+(PO4)2 · 8H2O
O VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
AlAluminium
Al Alum GroupXAl(SO4)2 · 12H2O
Al AlunogenAl2(SO4)3 · 17H2O
Al HalotrichiteFeAl2(SO4)4 · 22H2O
Al VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
PPhosphorus
P VivianiteFe2+Fe22+(PO4)2 · 8H2O
SSulfur
S Alum GroupXAl(SO4)2 · 12H2O
S AlunogenAl2(SO4)3 · 17H2O
S Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
S BaryteBaSO4
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S GypsumCaSO4 · 2H2O
S HalotrichiteFeAl2(SO4)4 · 22H2O
S RömeriteFe2+Fe23+(SO4)4 · 14H2O
S RozeniteFeSO4 · 4H2O
S SulphurS8
S VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
ClChlorine
Cl SalammoniacNH4Cl
KPotassium
K VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
CaCalcium
Ca GypsumCaSO4 · 2H2O
FeIron
Fe Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe Goethiteα-Fe3+O(OH)
Fe HalotrichiteFeAl2(SO4)4 · 22H2O
Fe RömeriteFe2+Fe23+(SO4)4 · 14H2O
Fe RozeniteFeSO4 · 4H2O
Fe VivianiteFe2+Fe22+(PO4)2 · 8H2O
Fe VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
BaBarium
Ba BaryteBaSO4

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.

References

 
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