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Berdesinskiite

A valid IMA mineral species
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03680290014947698579450.jpg
Berdesinskiite, etc.

Ol'khonskiye Vorota Strait, Lake Baikal area, Irkutsk Oblast, Russia
00921750014957871465235.jpg
Berdesinskiite, etc.

Lasamba Hill, Kwale County, Kenya
03680290014947698579450.jpg
Berdesinskiite, etc.

Ol'khonskiye Vorota Strait, Lake Baikal area, Irkutsk Oblast, Russia
00921750014957871465235.jpg
Berdesinskiite, etc.

Lasamba Hill, Kwale County, Kenya
03680290014947698579450.jpg
Berdesinskiite, etc.

Ol'khonskiye Vorota Strait, Lake Baikal area, Irkutsk Oblast, Russia
00921750014957871465235.jpg
Berdesinskiite, etc.

Lasamba Hill, Kwale County, Kenya
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About BerdesinskiiteHide

Formula:
V3+2TiO5
Colour:
Black
Lustre:
Metallic
Hardness:
6 - 6½
Specific Gravity:
4.536 (Calculated)
Crystal System:
Monoclinic
Name:
For Professor Waldemar Berdesinski (1911-1990), crystallographer, University of Heidelberg, Heidelberg, Germany.
Isotypic with Unnamed (Monoclinic polymorph of Pseudobrookite).

A possible Cr analogue is coded as UM1996-17-O:CrFeNbTiV.


Unique IdentifiersHide

Mindat ID:
630
Long-form identifier:
mindat:1:1:630:1
GUID
(UUID V4):
08c6c056-599a-4ebe-867e-c0c2939fdf3a

Classification of BerdesinskiiteHide

IMA status:
Approved
Approval year:
1980
First published:
1981
Type description reference:
Bernhardt, H.-J. , Schmetzer, K. and Medenbach, O. (1983): Berdesinskiite, V2TiO5, a new mineral from Kenya and additional data for schreyerite, V2Ti3O9. Neues Jahrbuch fĂŒr Mineralogie, Monatshefte, 3, 110-118.
Strunz-mindat (2023):
4.CB.30

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
Dana 8th ed.:
7.7.2.1

7 : MULTIPLE OXIDES
7 : AB2X5
Hey's CIM Ref.:
7.12.15

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
BdsIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
BrdThe 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 BerdesinskiiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Black
Hardness:
6 - 6½ on Mohs scale
Density:
4.536 g/cm3 (Calculated)

Optical Data of BerdesinskiiteHide

Type:
Biaxial
Bireflectance:
Weak
Reflectivity:
WavelengthR1R2
400 nm16.6% 17.1%
420 nm17.1% 17.5%
440 nm17.4% 18.0%
460 nm17.9% 18.4%
480 nm18.3% 18.9%
500 nm18.8% 19.4%
520 nm19.2% 19.8%
540 nm19.5% 20.3%
560 nm19.8% 20.8%
580 nm20.0% 21.1%
600 nm20.3% 21.3%
620 nm20.4% 21.4%
640 nm20.5% 21.5%
660 nm20.6% 21.6%
680 nm20.4% 21.6%
700 nm20.2% 21.5%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 21.6%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Reddish brown

Chemical Properties of BerdesinskiiteHide

Formula:
V3+2TiO5
Elements listed:
O, Ti, V - search for minerals with similar chemistry
Common Impurities:
Al,Cr

Crystallography of BerdesinskiiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 10.11 Å, b = 5.084 Å, c = 7.03 Å
β = 111.46°
Ratio:
a:b:c = 1.989 : 1 : 1.383
Unit Cell V:
336.29 ų (Calculated from Unit Cell)
Z:
4
Comment:
Point Group: 2/m or m.; Space Group: [C2/c or Cc; P21/c; P2/c or P c] (by analogy to synthetic V2TiO5) ·

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0007329BerdesinskiiteArmbruster T, Galuskin E V, Reznitsky L Z, Sklyarov E V (2009) X-ray structural investigation of the oxyvanite (V3O5) - berdesinskiite (V2TiO5) series: V4+ substituting for octahedrally coordinated Ti4+ European Journal of Mineralogy 21 885-8912009Pereval marble quarry, Sludyanka complex, south of Lake Baikal, Russia0293
0007330BerdesinskiiteArmbruster T, Galuskin E V, Reznitsky L Z, Sklyarov E V (2009) X-ray structural investigation of the oxyvanite (V3O5) - berdesinskiite (V2TiO5) series: V4+ substituting for octahedrally coordinated Ti4+ European Journal of Mineralogy 21 885-8912009Pereval marble quarry, Sludyanka complex, south of Lake Baikal, Russia0293
0007331BerdesinskiiteArmbruster T, Galuskin E V, Reznitsky L Z, Sklyarov E V (2009) X-ray structural investigation of the oxyvanite (V3O5) - berdesinskiite (V2TiO5) series: V4+ substituting for octahedrally coordinated Ti4+ European Journal of Mineralogy 21 885-8912009Pereval marble quarry, Sludyanka complex, south of Lake Baikal, Russia0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.721 Å(
4.492 Å(
3.316 Å(
2.895 Å(
2.676 Å(
2.543 Å(
2.447 Å(
Comments:
Recorded on type material; line intensities not given

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
53 : Other minerals with taphonomic origins<0.4

Type Occurrence of BerdesinskiiteHide

Type Locality:
ⓘ Lasamba Hill, Kwale County, Kenya
General Appearance of Type Material:
As grains, rarely up to 70 ”m, and as rims arouns schreyerite.
Place of Conservation of Type Material:
Universities of Bochum, Hamburg and Heidelberg, Germany;
National Museum of Natural History, Washington, D.C., USA (No. 147362).
Geological Setting of Type Material:
In strongly weathered gneiss with quartzite in a gem kornerupine deposit of Precambrian age.
Associated Minerals at Type Locality:
TourmalineSchreyeriteRutileQuartzKornerupine
GraphiteEpidoteDiopsideBiotite
Reference:
Bernhardt, H.-J. , Schmetzer, K. and Medenbach, O. (1983): Berdesinskiite, V2TiO5, a new mineral from Kenya and additional data for schreyerite, V2Ti3O9. Neues Jahrbuch fĂŒr Mineralogie, Monatshefte, 3, 110-118.

Synonyms of BerdesinskiiteHide

Other Language Names for BerdesinskiiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Berdesinskiite associated with SchreyeriteV3+2Ti3O9
1 photo of Berdesinskiite associated with KornerupineMg3Al6(Si,Al,B)5O21(OH)

Related Minerals - Strunz-mindat GroupingHide

4.CB.SassiteTi3+2Ti4+O5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2Hex. 6mm : P63mc
4.CB.Magnesiohögbomite-6N12SMg5Al11TiO23(OH)Trig. 3m (3 2/m) : R3m
4.CB.GriffiniteAl2TiO5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.Zhenruite(MoO3)2 · H2OMon. 2/m : P21/m
4.CB.Pengite(Pb8Sb3+3)ÎŁ11Sb5+9O35Trig. 3m (3 2/m) : R3m
4.CB.VirgilluethiteMoO3 · H2OMon. 2/m : P21/b
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. 3m (3 2/m) : R3c
4.CB.05GeikieliteMgTiO3Trig. 3 : R3
4.CB.05HematiteFe2O3Trig. 3m (3 2/m) : R3c
4.CB.05IlmeniteFe2+TiO3Trig. 3 : R3
4.CB.05KarelianiteV3+2O3Trig. 3m (3 2/m) : R3c
4.CB.05MelanostibiteMn2+2Fe3+Sb5+O6Trig. 3 : R3
4.CB.05PyrophaniteMn2+TiO3Trig. 3 : R3
4.CB.05Akimotoite(Mg,Fe2+)SiO3Trig. 3 : R3
4.CB.05AuroantimonateAuSbO3
4.CB.05UM1998-11-O-AuHSbAu+2Sb3+O2(OH)
4.CB.05TistariteTi3+2O3Trig. 3m (3 2/m) : R3c
4.CB.05Unnamed (Fe-Cr Oxide)FeCrO3Trig. 3 : R3
4.CB.05Hemleyite(Fe2+0.48Mg0.37Ca0.04Na0.04Mn2+0.03Al0.03Cr3+0.01)sum=1.00Si1.00O3Trig. 3 : R3
4.CB.10AvicenniteTl2O3Iso. m3 (2/m 3) : Ia3
4.CB.10Bixbyite-(Mn)Mn3+2O3Iso. m3 (2/m 3) : Ia3
4.CB.10Bixbyite-(Fe)(Fe,Mn)2O3Iso.
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.15FerropseudobrookiteFe2+Ti2O5Orth. mmm (2/m 2/m 2/m) : Cmcm
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.20Magnesiohögbomite-2N4S(Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2Hex. 6mm : P63mc
4.CB.20Magnesiobeltrandoite-2N3S(Mg6Al2)(Al18Fe3+2)O38(OH)2 Trig. 3m : P3m1
4.CB.20Zincovelesite-6N6SZn3(Fe3+,Mn3+,Al,Ti)8O15(OH)Trig. 3m (3 2/m) : P3m1
4.CB.25PseudorutileFe2Ti3O9Hex. 6 2 2 : P63 2 2
4.CB.25KleberiteFeTi6O11(OH)5Mon. 2/m : P21/b
4.CB.30OxyvaniteV3+2V4+O5Mon. 2/m : B2/b
4.CB.30KaitianiteTi3+2Ti4+O5Mon. 2/m : B2/b
4.CB.35Olkhonskite(Cr,V)2Ti3O9Mon.
4.CB.35SchreyeriteV3+2Ti3O9Mon. 2/m : B2/b
4.CB.35MachiiteAl2Ti3O9Mon. 2/m : B2/b
4.CB.35Vestaite(Ti4+Fe2+)Ti4+3O9Mon. 2/m : B2/b
4.CB.40KamiokiteFe2Mo3O8Hex. 6mm : P63mc
4.CB.40NolaniteV3+8Fe3+2O14(OH)2Hex. 6mm : P63mc
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.
4.CB.85LiuiteFeTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CB.90LuogufengiteFe2O3Orth. mm2 : Pna21
4.CB.95WangdaodeiteFeTiO3Trig. 3m : R3c

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.

Internet Links for BerdesinskiiteHide

References for BerdesinskiiteHide

Reference List:
Bernhardt, H.J., Schmetzer, K., Medenbach, O. (1981) Berdesinskiit, V2TiO5, ein neues Mineral. Zeitschrift der Deutschen Gemmological Geologischen, 30, 143-145.
Fleischer, M., Cabri, L.J., Chao, G.Y., Mandarino, J.A., Pabst, A. (1982) New mineral names. American Mineralogist, 67, 1074-1082.
Bernhardt, H.-J. , Schmetzer, K. and Medenbach, O. (1983): Berdesinskiite, V2TiO5, a new mineral from Kenya and additional data for schreyerite, V2Ti3O9. Neues Jahrbuch fĂŒr Mineralogie, Monatshefte, 3, 110-118.
Dunn, P.J., Grice, J.D., Fleischer, M., Pabst, A. (1983) New mineral names. American Mineralogist, 68, 1038-1041.
Bernhardt, H.-J. , Schmetzer, K. and Medenbach, O. (1983): Berdesinskiite, V2TiO5, a new mineral from Kenya and additional data for schreyerite, V2Ti3O9. Neues Jahrbuch fĂŒr Mineralogie, Monatshefte, 3, 110-118.
Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 52.
Kolitsch, U. and Tillmanns, E. (2004): Does metastable monoclinic Sc2TiO5 exist? Insights from the crystal structures of berdesinskiite (V2TiO5) and unnamed natural monoclinic Fe2TiO5. 32nd International Geological Congress, Florence, Italy, August 20-28, 2004; Abstracts Vol., Pt. 1, abs. 42-3, 215.
Armbruster, T., Galuskin, E.V., Reznitsky, L.Z., Sklyarov, E.V. (2009) X-ray structural investigation of the oxyvanite (V3O5) - berdesinskiite (V2TiO5) series: V4+ substituting for octahedrally coordinated Ti4+. European Journal of Mineralogy, 21, 885-891.
Reznitsky, L.Z., Sklyarov, E.V., Armbruster, T., Ushchapovskaya, Z.F., Galuskin, E.V., Polekhovsky, Y.S., Barash, I.G. (2009) The new mineral oxyvanite V3O5 and the oxyvanite-berdesinskiite V2TiO5 isomorphic join in metamorphic rocks of Sludyanka complex (South Baikal region) (abstract). Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 138(3), 70-81.

Localities for BerdesinskiiteHide

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.
Finland
 
  • North Ostrobothnia
    • Raahe
Sergeeva, N. E., Eremin, N. I., & Dergachev, A. L. (2011, February). Vanadium mineralization in ore of the Vihanti massive sulfide base-metal deposit, Finland. In Doklady Earth Sciences (Vol. 436, No. 2, pp. 210-212). SP MAIK Nauka/Interperiodica.
Kompanchenko, A., Voloshin, A., & Balagansky, V. (2018). Vanadium mineralization in the Kola region, Fennoscandian Shield. Minerals, 8(11), 474.
Kenya (TL)
 
  • Kwale County
Bernhardt, H.J., Schmetzer, K., Medenbach, O. (1983) Berdesinskiite, V₂TiO5, a new mineral from Kenya and additional data for schreyerite, V2Ti3O9. Neues Jahrbuch fĂŒr Mineralogie, Monatshefte, 3, 110 - 118.
Madagascar
 
  • Atsimo-Andrefana
    • Ampanihy District
      • Fotadrevo
        • Green Giant Vanadium Property
Di Cecco, V. (2013): The Mineralogy and Geochemistry of the Green Giant Vanadium-Graphite Deposit, S.W. Madagascar. Thesis (Masters dissertation), Department of Geology. University of Toronto.
Cecco, V. D. (2013). The Mineralogy and Geochemistry of the Green Giant Vanadium-graphite Deposit, SW Madagascar (Masters dissertation). University of Toronto
Russia
 
  • Irkutsk Oblast
    • Lake Baikal area
Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp.
      • Slyudyanka
Proceedings of the Russian Mineralogical Society 136(5), 65-75.
Reznitsky, L. Z., Sklyarov, E. V., Armbruster, T., Suvorova, L. F., Uschapovskaya, Z. F., & Kanakin, S. V. (2013). Kyzylkumite: a finding in the southern Baikal region, Russia and refinement of its crystal chemical formula. Geology of ore deposits, 55, 676-685.
Bosi, F., Reznitskii, L., Skogby, H., & HĂ„lenius, U. (2014). Vanadio-oxy-chromium-dravite, NaV3 (Cr4Mg2)(Si6O18)(BO3) 3 (OH) 3O, a new mineral species of the tourmaline supergroup. American Mineralogist, 99(5-6), 1155-1162.
Spain
 
  • Catalonia
    • Tarragona
      • Conca de BarberĂ 
        • VimbodĂ­ i Poblet
          • Poblet Monastery
C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
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