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Karelianite

A valid IMA mineral species
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About KarelianiteHide

Formula:
V3+2O3
Colour:
Black
Lustre:
Metallic
Hardness:
8 - 9
Specific Gravity:
4.95 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
After the Karelian schist belt, the region of Finland where the mineral occurs.
Hematite Group. The vanadium analogue of Corundum, Eskolaite and Hematite.

A metastable polymorph with a bixbyite-type structure is known as a synthetic compound (Weber et al., 2011; Lüdtke et al., 2017).


Unique IdentifiersHide

Mindat ID:
2158
Long-form identifier:
mindat:1:1:2158:2

Similar NamesHide

CarliniteA valid IMA mineral speciesTl2S
CaroliniteA synonym of Nepheline
Karelinite

IMA Classification of KarelianiteHide

Classification of KarelianiteHide

4.CB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4.3.1.4

4 : SIMPLE OXIDES
3 : A2X3
7.12.18

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
KarIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
KarThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of KarelianiteHide

Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Black
Hardness:
8 - 9 on Mohs scale
Hardness:
VHN50=1790 kg/mm2 - Vickers
Fracture:
Conchoidal
Density:
4.95 g/cm3 (Calculated)

Optical Data of KarelianiteHide

Anisotropism:
Strong; reddish brown to gray
Bireflectance:
Weak
Reflectivity:
WavelengthR1 (%)
400nm14.3%
420nm14.4%
440nm14.5%
460nm14.8%
480nm15.2%
500nm15.8%
520nm16.3%
540nm16.8%
560nm17.2%
580nm17.6%
600nm18.0%
620nm18.3%
640nm18.7%
660nm19.2%
680nm19.8%
700nm20.6%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 20.6%.
Colour in reflected light:
Brownish olive-gray
Internal Reflections:
No internal reflections.
Pleochroism:
Weak

Chemistry of KarelianiteHide

Mindat Formula:
V3+2O3
Element Weights:
Element% weight
V67.976 %
O32.024 %

Calculated from ideal end-member formula.
Common Impurities:
Fe,Cr

Crystallography of KarelianiteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3c
Setting:
R3c
Cell Parameters:
a = 4.99 Å, c = 13.98 Å
Ratio:
a:c = 1 : 2.802
Unit Cell V:
301.47 ų (Calculated from Unit Cell)
Z:
6

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0010595KarelianiteNewnham R E, de Haan Y M (1962) Refinement of the alpha Al2O3, Ti2O3, V2O3 and Cr2O3 structures Zeitschrift fur Kristallographie 117 235-2371962synthetic0293
0017741KarelianiteFinger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-53671980synthetic0.0001293
0017742KarelianiteFinger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-53671980synthetic1.83293
0017743KarelianiteFinger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-53671980synthetic2.83293
0017744KarelianiteFinger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-53671980synthetic4.7293
0017965KarelianiteZachariasen W (1928) Untersuchungen ueber die Kristallstruktur von Sesquioxyden und Verbindungen ABO3 _cod_database_code 1011066 Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo 1928 1-16519280293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
1.70 Å(100)
2.71 Å(90)
2.49 Å(80)
3.67 Å(70)
1.44 Å(40)
1.84 Å(25)
2.20 Å(20)
Comments:
Outokumpu mine, Finland. Data from the type description. The pattern is similar to that of hematite.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
50 : Coal and/or oil shale minerals<0.36

Type Occurrence of KarelianiteHide

General Appearance of Type Material:
.Prismatic grains
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 121785 and 121786.
Geological Setting of Type Material:
High-grade metamorphic rocks (schists and quartzites).
Associated Minerals at Type Locality:

Other Language Names for KarelianiteHide

Relationship of Karelianite to other SpeciesHide

Member of:
Other Members of Hematite Group:
CorundumAl2O3Trig. 3m (3 2/m) : R3c
EskolaiteCr2O3Trig. 3m (3 2/m) : R3c
HematiteFe2O3Trig. 3m (3 2/m) : R3c
TistariteTi3+2O3Trig. 3m (3 2/m) : R3c
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
8 photos of Karelianite associated with GalenaPbS
5 photos of Karelianite associated with MilleriteNiS
5 photos of Karelianite associated with CalciteCaCO3
4 photos of Karelianite associated with SphaleriteZnS
3 photos of Karelianite associated with HematiteFe2O3
2 photos of Karelianite associated with NatalyiteNaV3+Si2O6
2 photos of Karelianite associated with DiopsideCaMgSi2O6
2 photos of Karelianite associated with GersdorffiteNiAsS
1 photo of Karelianite associated with Thucholite
1 photo of Karelianite associated with QuartzSiO2

Related Minerals - Strunz-mindat GroupingHide

4.CB.Magnesiohögbomite-6N12SMg5Al11TiO23(OH)Trig. 3m (3 2/m) : R3m
4.CB.KidoditeBaMg2Fe16O27Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CB.Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2Hex. 6mm : P63mc
4.CB.Zhenruite(MoO3)2 · H2OMon. 2/m : P21/m
4.CB.FuyuaniteMg7Nb6O18(OH)8Trig. 3 : P3
4.CB.VirgilluethiteMoO3 · H2OMon. 2/m : P21/b
4.CB.Pengite(Pb8Sb3+3)Σ11Sb5+9O35Trig. 3m (3 2/m) : R3m
4.CB.05BrizziiteNaSb5+O3Trig. 3 : R3
4.CB.05TistariteTi3+2O3Trig. 3m (3 2/m) : R3c
4.CB.05HematiteFe2O3Trig. 3m (3 2/m) : R3c
4.CB.05EcandrewsiteZnTiO3Trig. 3 : R3
4.CB.05MelanostibiteMn2+2Fe3+Sb5+O6Trig. 3 : R3
4.CB.05UM1998-11-O-AuHSbAu+2Sb3+O2(OH)
4.CB.05CorundumAl2O3Trig. 3m (3 2/m) : R3c
4.CB.05EskolaiteCr2O3Trig. 3m (3 2/m) : R3c
4.CB.05GeikieliteMgTiO3Trig. 3 : R3
4.CB.05AkimotoiteMgSiO3Trig. 3 : R3
4.CB.05Unnamed (Fe-Cr Oxide)FeCrO3Trig. 3 : R3
4.CB.05AuroantimonateAuSbO3
4.CB.05HemleyiteFe2+SiO3Trig. 3 : R3
4.CB.05IlmeniteFe2+TiO3Trig. 3 : R3
4.CB.05PyrophaniteMn2+TiO3Trig. 3 : R3
4.CB.10Bixbyite-(Fe)(Fe,Mn)2O3Iso.
4.CB.10Bixbyite-(Mn)Mn3+2O3Iso. m3 (2/m 3) : Ia3
4.CB.10AvicenniteTl2O3Iso. m3 (2/m 3) : Ia3
4.CB.15Armalcolite(Mg,Fe2+)Ti2O5Orth. mmm (2/m 2/m 2/m)
4.CB.15FerropseudobrookiteFe2+Ti2O5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15GriffiniteAl2TiO5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15Pseudobrookite Group
4.CB.15SassiteTi3+2Ti4+O5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15PseudobrookiteFe2TiO5Orth. mmm (2/m 2/m 2/m)
4.CB.20Zincovelesite-6N6SZn3(Fe3+,Mn3+,Al,Ti)8O15(OH)Trig. 3m (3 2/m) : P3m1
4.CB.20Magnesiohögbomite-2N4S(Mg8.43Fe2+1.57)Σ=10Al22Ti4+2O46(OH)2Hex. 6mm : P63mc
4.CB.20Magnesiobeltrandoite-2N3S(Mg6Al2)(Al18Fe3+2)O38(OH)2 Trig. 3m : P3m1
4.CB.20Zincohögbomite-2N6S[(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2Hex. 6mm : P63mc
4.CB.20Magnesiohögbomite-6N6S[(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6Trig. 3m (3 2/m) : R3m
4.CB.20Magnesiohögbomite-2N3S[(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2Trig. 3m (3 2/m) : P3 1m
4.CB.20Magnesiohögbomite-2N2S[(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2Hex. 6mm : P63mc
4.CB.20Ferrohögbomite-6N12S[(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6Trig. 3m (3 2/m) : R3m
4.CB.20Zincohögbomite-2N2S[(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2Hex. 6mm : P63mc
4.CB.25KleberiteFeTi6O11(OH)5Mon. 2/m : P21/b
4.CB.25PseudorutileFe3+2Ti4+3O9Hex. 6 2 2 : P63 2 2
4.CB.30OxyvaniteV3+2V4+O5Mon. 2/m : B2/b
4.CB.30BerdesinskiiteV3+2TiO5Mon.
4.CB.30KaitianiteTi3+2Ti4+O5Mon. 2/m : B2/b
4.CB.35MachiiteAl2Ti3O9Mon. 2/m : B2/b
4.CB.35Vestaite(Ti4+Fe2+)Ti4+3O9Mon. 2/m : B2/b
4.CB.35Olkhonskite(Cr,V)2Ti3O9Mon.
4.CB.35SchreyeriteV3+2Ti4+3O9Mon. 2/m : B2/b
4.CB.40Zincorinmanite-(Zn)Zn2Sb2(Fe3+4Zn2)O14(OH)2Hex. 6mm : P63mc
4.CB.40MajindeiteMg2Mo3O8Hex. 6mm : P63mc
4.CB.40AlmagreraiteCuZnMn4+3O8Orth. mm2 : Pmn21
4.CB.40KamiokiteFe2Mo3O8Hex. 6mm : P63mc
4.CB.40NolaniteV3+8Fe3+2O14(OH)2Hex. 6mm : P63mc
4.CB.40IseiteMn2Mo3O8Hex. 6mm : P63mc
4.CB.40RinmaniteZn2Sb2Mg2Fe4O14(OH)2Hex. 6 : P63
4.CB.45StibioclaudetiteAsSbO3Mon. 2/m : P21/m
4.CB.45ClaudetiteAs2O3Mon. 2/m
4.CB.50SenarmontiteSb2O3Iso. m3m (4/m 3 2/m) : Fd3m
4.CB.50ArsenoliteAs2O3Iso. m3m (4/m 3 2/m) : Fd3m
4.CB.55ValentiniteSb2O3Orth. mmm (2/m 2/m 2/m) : Pccn
4.CB.60BismiteBi2O3Mon. 2/m : P21/b
4.CB.65SphaerobismoiteBi2O3Tet.
4.CB.70SilléniteBi12SiO20Iso. 2 3 : I2 3
4.CB.75KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
4.CB.80TietaiyangiteFe3+4Fe2+TiO9Hex.
4.CB.85LiuiteFeTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CB.90LuogufengiteFe2O3Orth. mm2 : Pna21
4.CB.95WangdaodeiteFeTiO3Trig. 3m : R3c

Other InformationHide

Notes:
HNO3 (1:1) positive; HCl (1:1), FeCl3 (20%), KCN (20%), KOH (40%) and HgCl2 (5%) all negative.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for KarelianiteHide

References for KarelianiteHide

Reference List:

Localities for KarelianiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • La Rioja Province
    • Coronel Felipe Varela department
      • Guandacol
de Brodtkorb (1982)
Austria
 
  • Lower Austria
    • Krems-Land District
      • Mühldorf
        • Amstall
Kolitsch (2025)
Canada
 
  • Ontario
    • Thunder Bay District
      • Bomby Township
HARRIS (1989)
Czech Republic
 
  • Plzeň Region
    • Plzeň-South District
      • Nové Mitrovice
Veselovský et al. (2021)
Fiji
 
  • Viti Levu
    • Ba
      • Navilawa
16th Australian Geological Convention +3 other references
Finland (TL)
 
  • North Karelia
Long et al. (1963)
  • North Ostrobothnia
    • Raahe
Sergeeva et al. (2011, February) +1 other reference
Gabon
 
  • Haut-Ogooué Province
    • Léboumbi-Leyou Department
      • Mounana
Janeczek (1999)
Germany
 
  • Lower Saxony
    • Goslar District
      • Braunlage
        • St Andreasberg
Weiß (1990)
India
 
  • Odisha
    • Anugul District
Mallick et al. (2005, March)
  • Rajasthan
    • Bhilwara District
Kompanchenko et al. (2018)
Italy
 
  • Tuscany
    • Lucca Province
      • Stazzema
        • Pontestazzemese
Orlandi et al. (2004)
Madagascar
 
  • Atsimo-Andrefana
    • Ampanihy District
      • Fotadrevo
        • Green Giant Vanadium Property
Di Cecco et al. (2018)
Di Cecco (2013) +1 other reference
Romania
 
  • Maramureș County
    • Târgu Lăpuș
HÎRTOPANU et al. (2025)
Russia
 
  • Irkutsk Oblast
Mandarino (1996) +1 other reference
  • Murmansk Oblast
    • Khibiny Massif
Mikhailova et al. (2007)
      • Lovchorr Mt
Karpov S.M. et al. (2012) +2 other references
  • Republic of Karelia
    • Medvezhyegorsky District
      • Zaonezhie peninsula
Boitsov (1997) +1 other reference
  • Slyudyanka
Pekov (1998) +2 other references
Tanzania
 
  • Manyara Region
    • Simanjiro District
      • Lelatema Mountains
Giuliani et al. (2008) +1 other reference
Feneyrol et al. (2012)
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