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Höllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austriai
Regional Level Types
Höllkogel- not defined -
Alpl- not defined -
Freßnitzgraben- not defined -
KrieglachMunicipality
Bruck-Mürzzuschlag DistrictDistrict
StyriaState
AustriaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
47° 30' 56'' North , 15° 37' 24'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Langenwang3,119 (2018)5.7km
Krieglach3,062 (2018)5.8km
Sankt Kathrein am Hauenstein525 (2018)6.0km
Hönigsberg1,789 (2018)7.4km
Fressnitz893 (2018)7.4km
Mindat Locality ID:
18344
Long-form identifier:
mindat:1:2:18344:9
GUID (UUID V4):
c9676474-6acf-4e3f-96fd-cea614d88f45
Name(s) in local language(s):
Höllkogel, Alpl, Freßnitzgraben, Krieglach, Fischbacher Alpen, Steiermark, Österreich


Outcrop of lazulite-quartz veins in phyllitic mica schist at 1020 m asl, 100 m SW of Höllkogel. Located in the upper Freßnitzgraben, just northwest of Alpl. Last visit by FB: 8. August 2023.

NOTE: The ref. in Am. Mineral. is a little bit misleading in the way that not all minerals listed in this paper occur at Höllkogel, but at the other lazulite occurrences in Krieglach and Mürzzuschlag. Paragonite, augelite, hydroxylherderite, kyanite, pyrophyllite are not known from the outcrop at Höllkogel, but from other lazulite localities like Ocherbauer Inn, Fürstenbauer, Rotriegel, Traibach etc.

For locality map see "Krieglach".

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


36 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Description: In the host rocks of the lazulite-quartz veins. Greenschist facies micaschist overprint.
Anglesite
Formula: PbSO4
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Description: "Apatite" occurs in several generations in the lazulite-quartz vein at Höllkogel, and most apatites are not sufficiently well analyzed to assign a species name. See also: http://www.geocities.com/Franz_bernhard/polishedslabs/lazulites/lazulites.html
Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Habit: less than 0.1 mm large flakes and aggregates
Description: associated with apatite, pretulite and xenotime-(Y) in sample HK016
Bearthite
Formula: Ca2Al(PO4)2(OH)
Cacoxenite
Formula: Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Chalcopyrite
Formula: CuFeS2
Habit: mm-sized grains in apatite
Description: sample from Tobias Schachinger
Chlorapatite
Formula: Ca5(PO4)3Cl
Habit: fills cracks in lazulite and Cl-free and Cl-poor apatite
'Chlorite Group'
Description: Greenschist facies micaschist overprint.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Habit: cm-sized, massiv aggregates
Description: see also: http://www.geocities.com/Franz_bernhard/polishedslabs/lazulites/lazulites.html
Corundum
Formula: Al2O3
Habit: grains less than 0.5 mm large in lazulite
Description: An Al O (OH) phase is also known, associated with corundum and other minerals.
Crandallite
Formula: CaAl3(PO4)(PO3OH)(OH)6
Description: alteration product of lazulite and apatite; component of heavily zoned goyazite-crandallite grains and aggregates
Diaspore ?
Formula: AlO(OH)
Description: alteration product of corundum; tentative identification, could also be another AlO(OH) mineral
Florencite-(Ce)
Formula: CeAl3(PO4)2(OH)6
Habit: grains less than 0.5 mm large
Description: accessory mineral in lazulite-quarz vein and also in the alteration zone adjacent to the vein
Fluorapatite
Formula: Ca5(PO4)3F
Habit: massive with lazulite and quartz
Goethite
Formula: α-Fe3+O(OH)
Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Habit: massive, up to mm sized aggregates and veinlets; tiny pseudocubic crystals
Colour: white, lihgt pink
Description: often intergrown with crandallite, formig complexely zoned grains and aggregates
Graphite
Formula: C
Habit: rarely as up to mm large flakes in white apatite, more common as pigment of grey to black apatite
Gypsum
Formula: CaSO4 · 2H2O
Description: sub-millimetric crystal aggregates in vug in apatite, related to weathering of nearby pyrite grains
Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Habit: radiating needles and finely crystalline crusts
Colour: white
Description: Very late stage mineral, probably weathering-related.
Jarosite
Formula: KFe3+3(SO4)2(OH)6
Habit: micron-sized crystals in vugs in apatite
Description: sample from Tobias Schachinger
Kaolinite
Formula: Al2(Si2O5)(OH)4
Habit: up to cm sized masses consisting of mm-sized flakes
Kintoreite
Formula: PbFe3(PO4)(PO3OH)(OH)6
References:
Lazulite
Formula: MgAl2(PO4)2(OH)2
Habit: massive
Colour: light blue
Description: major mineral of the lazulite-quartz veins
Mimetite
Formula: Pb5(AsO4)3Cl
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: abundant flakes on cracks and shear planes
Description: abundant alteration product of lazulite
Plumbogummite
Formula: PbAl3(PO4)(PO3OH)(OH)6
References:
Pretulite (TL)
Formula: Sc(PO4)
Type Locality:
Habit: ditetragonal-dipyramidal crystals up to 2 mm long
Colour: lith pink, light orange, orange, dark orange
Description: The original description of the species was based on up to 0.2 mm large grains (see reference below). However, up to 2 mm large pretulite crystals occur at Höllkogel, but this is not published yet. Pretulite occurs at every lazulite occurence in Krieglach and Mürzzuschlag (e.g. Freßnitzkogel, Wegscheidkreuz, Granegg, Fürstenbauer, Ganztal), but the large crystals are confined to Höllkogel until now.
Pyrite
Formula: FeS2
Habit: tiny grains in lazulite; mm-sized masses in white apatite
Pyromorphite
Formula: Pb5(PO4)3Cl
Quartz
Formula: SiO2
Habit: massiv; free, up to cm large crystals very rare
Rutile
Formula: TiO2
Habit: up to 0.2 mm large grains, prismatic crystals of the same size are rare
Colour: metallic black
Segnitite
Formula: PbFe3+3AsO4(AsO3OH)(OH)6
Strengite
Formula: FePO4 · 2H2O
References:
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
References:
Uraninite
Formula: UO2
Habit: micron-sized inclusions in xenotime-(Y)
Description: Inclusions in xenotime-(Y).
Wardite
Formula: NaAl3(PO4)2(OH)4 · 2H2O
Habit: fills narrow cracks in lazulite
Xenotime-(Y)
Formula: Y(PO4)
Habit: ca. 0.1 mm large grains in quartz; exolution blebs in pretulite; intergrowths with pretulite
Description: 1-2 wt% Sc2O3.
Zircon
Formula: Zr(SiO4)
Description: In the host rocks of the lazulite-quarz veins.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Corundum4.CB.05Al2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Uraninite4.DL.05UO2
Diaspore ?4.FD.10AlO(OH)
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Pretulite (TL)8.AD.35Sc(PO4)
Xenotime-(Y)8.AD.35Y(PO4)
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Bearthite8.BG.05Ca2Al(PO4)2(OH)
Plumbogummite8.BL.10PbAl3(PO4)(PO3OH)(OH)6
Segnitite8.BL.10PbFe3+3AsO4(AsO3OH)(OH)6
Kintoreite8.BL.10PbFe3(PO4)(PO3OH)(OH)6
Goyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6
Crandallite8.BL.10CaAl3(PO4)(PO3OH)(OH)6
Florencite-(Ce)8.BL.13CeAl3(PO4)2(OH)6
Hydroxylapatite8.BN.05Ca5(PO4)3(OH)
Fluorapatite8.BN.05Ca5(PO4)3F
Mimetite8.BN.05Pb5(AsO4)3Cl
Pyromorphite8.BN.05Pb5(PO4)3Cl
Chlorapatite8.BN.05Ca5(PO4)3Cl
Strengite8.CD.10FePO4 · 2H2O
Cacoxenite8.DC.40Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Wardite8.DL.10NaAl3(PO4)2(OH)4 · 2H2O
Autunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Chlorite Group'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H BearthiteCa2Al(PO4)2(OH)
H CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H CrandalliteCaAl3(PO4)(PO3OH)(OH)6
H DiasporeAlO(OH)
H Florencite-(Ce)CeAl3(PO4)2(OH)6
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H GoyaziteSrAl3(PO4)(PO3OH)(OH)6
H HydroxylapatiteCa5(PO4)3(OH)
H JarositeKFe33+(SO4)2(OH)6
H KaoliniteAl2(Si2O5)(OH)4
H KintoreitePbFe3(PO4)(PO3OH)(OH)6
H LazuliteMgAl2(PO4)2(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
H SegnititePbFe33+AsO4(AsO3OH)(OH)6
H StrengiteFePO4 · 2H2O
H WarditeNaAl3(PO4)2(OH)4 · 2H2O
H ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
C GraphiteC
OOxygen
O AlbiteNa(AlSi3O8)
O AnglesitePbSO4
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O BearthiteCa2Al(PO4)2(OH)
O CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
O ChlorapatiteCa5(PO4)3Cl
O ClinochloreMg5Al(AlSi3O10)(OH)8
O CorundumAl2O3
O CrandalliteCaAl3(PO4)(PO3OH)(OH)6
O DiasporeAlO(OH)
O Florencite-(Ce)CeAl3(PO4)2(OH)6
O FluorapatiteCa5(PO4)3F
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O GoyaziteSrAl3(PO4)(PO3OH)(OH)6
O HydroxylapatiteCa5(PO4)3(OH)
O JarositeKFe33+(SO4)2(OH)6
O KaoliniteAl2(Si2O5)(OH)4
O KintoreitePbFe3(PO4)(PO3OH)(OH)6
O LazuliteMgAl2(PO4)2(OH)2
O MimetitePb5(AsO4)3Cl
O MuscoviteKAl2(AlSi3O10)(OH)2
O PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O RutileTiO2
O SegnititePbFe33+AsO4(AsO3OH)(OH)6
O StrengiteFePO4 · 2H2O
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O UraniniteUO2
O WarditeNaAl3(PO4)2(OH)4 · 2H2O
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
O PretuliteSc(PO4)
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F FluorapatiteCa5(PO4)3F
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AlbiteNa(AlSi3O8)
Na WarditeNaAl3(PO4)2(OH)4 · 2H2O
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg LazuliteMgAl2(PO4)2(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BearthiteCa2Al(PO4)2(OH)
Al CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al CorundumAl2O3
Al CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Al DiasporeAlO(OH)
Al Florencite-(Ce)CeAl3(PO4)2(OH)6
Al GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Al KaoliniteAl2(Si2O5)(OH)4
Al LazuliteMgAl2(PO4)2(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
Al WarditeNaAl3(PO4)2(OH)4 · 2H2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si ZirconZr(SiO4)
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
P BearthiteCa2Al(PO4)2(OH)
P CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
P ChlorapatiteCa5(PO4)3Cl
P CrandalliteCaAl3(PO4)(PO3OH)(OH)6
P Florencite-(Ce)CeAl3(PO4)2(OH)6
P FluorapatiteCa5(PO4)3F
P GoyaziteSrAl3(PO4)(PO3OH)(OH)6
P HydroxylapatiteCa5(PO4)3(OH)
P KintoreitePbFe3(PO4)(PO3OH)(OH)6
P LazuliteMgAl2(PO4)2(OH)2
P PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
P PyromorphitePb5(PO4)3Cl
P StrengiteFePO4 · 2H2O
P WarditeNaAl3(PO4)2(OH)4 · 2H2O
P Xenotime-(Y)Y(PO4)
P PretuliteSc(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S AnglesitePbSO4
S ChalcopyriteCuFeS2
S GypsumCaSO4 · 2H2O
S JarositeKFe33+(SO4)2(OH)6
S PyriteFeS2
ClChlorine
Cl ChlorapatiteCa5(PO4)3Cl
Cl MimetitePb5(AsO4)3Cl
Cl PyromorphitePb5(PO4)3Cl
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K JarositeKFe33+(SO4)2(OH)6
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca BearthiteCa2Al(PO4)2(OH)
Ca ChlorapatiteCa5(PO4)3Cl
Ca CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Ca FluorapatiteCa5(PO4)3F
Ca GypsumCaSO4 · 2H2O
Ca HydroxylapatiteCa5(PO4)3(OH)
Ca ApatiteCa5(PO4)3(Cl/F/OH)
ScScandium
Sc PretuliteSc(PO4)
TiTitanium
Ti RutileTiO2
FeIron
Fe CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Fe ChalcopyriteCuFeS2
Fe Goethiteα-Fe3+O(OH)
Fe JarositeKFe33+(SO4)2(OH)6
Fe KintoreitePbFe3(PO4)(PO3OH)(OH)6
Fe PyriteFeS2
Fe SegnititePbFe33+AsO4(AsO3OH)(OH)6
Fe StrengiteFePO4 · 2H2O
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As MimetitePb5(AsO4)3Cl
As SegnititePbFe33+AsO4(AsO3OH)(OH)6
SrStrontium
Sr GoyaziteSrAl3(PO4)(PO3OH)(OH)6
YYttrium
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
CeCerium
Ce Florencite-(Ce)CeAl3(PO4)2(OH)6
PbLead
Pb AnglesitePbSO4
Pb KintoreitePbFe3(PO4)(PO3OH)(OH)6
Pb MimetitePb5(AsO4)3Cl
Pb PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
Pb PyromorphitePb5(PO4)3Cl
Pb SegnititePbFe33+AsO4(AsO3OH)(OH)6
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U UraniniteUO2

Other Regions, Features and Areas containing this locality

Austria
Eurasian PlateTectonic Plate
EuropeContinent

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