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Olkhonskite

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Formula:
(Cr,V)2Ti3O9
Colour:
Black
Lustre:
Metallic
Hardness:
8
Specific Gravity:
4.48 (Calculated)
Crystal System:
Monoclinic
Name:
Named for the type locality, Olkhon Gate, Russia. Olkhon Gate is a narrow (1.5-2 km) in Lake Baikal between Olkhon Island and the western shore of Baikal.
The chromium-dominant analogue of Schreyerite. [Zapiski Vsesoyuznyi Mineralogicheskoe Obshchestva 123(4), 98-103]


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Classification of OlkhonskiteHide

Approved
First Published:
1994
4.CB.35

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
8.4.1.2

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
4 : A2B3O9

Physical Properties of OlkhonskiteHide

Metallic
Colour:
Black
Streak:
Black
Hardness:
Density:
4.48 g/cm3 (Calculated)

Chemical Properties of OlkhonskiteHide

Formula:
(Cr,V)2Ti3O9
IMA Formula:
Cr2Ti3O9

Crystallography of OlkhonskiteHide

Crystal System:
Monoclinic

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.75 (100)
1.386 (100)
2.88 (70)
2.43 (70)
1.426 (70)

Type Occurrence of OlkhonskiteHide

Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, r1001.
Reference:
Koneva, A.A., Piskunova, L.F., Ushchapovskaya, Z.F., Konev, A.A. (1994) Olkhonskite (Cr, V)2Ti3O9 — a new mineral from Priol'khonie. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 123(4): 98-103.

Synonyms of OlkhonskiteHide

Other Language Names for OlkhonskiteHide

German:Olkhonskit
Spanish:Olkhonskita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Karelianite1 photo of Olkhonskite associated with Karelianite on mindat.org.
Rutile1 photo of Olkhonskite associated with Rutile on mindat.org.
Quartz1 photo of Olkhonskite associated with Quartz on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.CB.05BrizziiteNaSb5+O3Trig. 3 : R3
4.CB.05CorundumAl2O3Trig. 3m (3 2/m) : R3c
4.CB.05Ecandrewsite(Zn,Fe2+,Mn2+)TiO3Trig. 3 : R3
4.CB.05EskolaiteCr2O3Trig.
4.CB.05GeikieliteMgTiO3Trig. 3 : R3
4.CB.05HematiteFe2O3Trig. 3m (3 2/m) : R3c
4.CB.05IlmeniteFe2+TiO3Trig. 3 : R3
4.CB.05KarelianiteV3+2O3Trig.
4.CB.05MelanostibiteMn2+(Sb5+,Fe3+)O3Trig.
4.CB.05PyrophaniteMn2+TiO3Trig. 3 : R3
4.CB.05Akimotoite(Mg,Fe2+)SiO3Trig.
4.CB.05AuroantimonateAuSbO3
4.CB.05UM1998-11-O-AuHSbAu+2Sb3+O2(OH)
4.CB.05TistariteTi3+2O3Trig. 3m (3 2/m) : R3c
4.CB.10AvicenniteTl2O3Iso. m3 (2/m 3) : Ia3
4.CB.10BixbyiteMn3+2O3Iso. m3 (2/m 3) : Ia3
4.CB.15Armalcolite(Mg,Fe2+)Ti2O5Orth. mmm (2/m 2/m 2/m)
4.CB.15PseudobrookiteFe2TiO5Orth. mmm (2/m 2/m 2/m)
4.CB.20Zincohögbomite-2N2S[(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2Hex. 6mm : P63mc
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.25PseudorutileFe2Ti3O9Hex.
4.CB.25KleberiteFeTi6O11(OH)5Mon. 2/m : P21/b
4.CB.30BerdesinskiiteV3+2TiO5Mon.
4.CB.30OxyvaniteV3+2V4+O5Mon. 2/m : B2/b
4.CB.35SchreyeriteV3+2Ti3O9Mon.
4.CB.40KamiokiteFe2Mo3O8Hex.
4.CB.40Nolanite(V3+,Fe3+,Fe2+,Ti)10O14(OH)2Hex.
4.CB.40RinmaniteZn2Sb2Mg2Fe4O14(OH)2Hex. 6 : P63
4.CB.40IseiteMn2Mo3O8Hex. 6mm : P63mc
4.CB.40MajindeiteMg2Mo3O8Hex. 6mm : P63mc
4.CB.45ClaudetiteAs2O3Mon. 2/m
4.CB.45StibioclaudetiteAsSbO3Mon. 2/m : P21/m
4.CB.50ArsenoliteAs2O3Iso. m3m (4/m 3 2/m) : Fd3m
4.CB.50SenarmontiteSb2O3Iso. 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.

Related Minerals - Dana Grouping (8th Ed.)Hide

8.4.1.1SchreyeriteV3+2Ti3O9Mon.
8.4.1.3KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for OlkhonskiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Koneva, A.A., Piskunova, L.F., Ushchapovskaya, Z.F., Konev, A.A. (1994) Olkhonskite (Cr, V)2Ti3O9 — a new mineral from Priol'khonie. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 123(4): 98-103.
Jambor, J.L., Pertsev, N.N., Roberts, A.C. (1996) New mineral names. American Mineralogist: 81: 249-254.
New Minerals (1997), New Minerals 1990-1994.

Internet Links for OlkhonskiteHide

Localities for OlkhonskiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Lake Baikal area
[MinRec 27:304]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Sweden
 
  • Västergötland
    • Gotene
      • Kinnekulle
        • Thorsberg quarry
Schmitz, B., Yin, Q.-Z., Sanborn, M.E., Tassinari, M., Caplan, C.E., Huss, G.R. (2016): A new type of solar-system material recovered from Ordovician marine limestone. Nature Communications: 7: 11851; doi: 10.1038/ncomms11851
Mineral and/or Locality  
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