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Berdesinskiite

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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.
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Classification of BerdesinskiiteHide

Approved
Approval Year:
1980
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
7.7.2.1

7 : MULTIPLE OXIDES
7 : AB2X5
7.12.15

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

Physical Properties of BerdesinskiiteHide

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:
400 nmR1=16.6%R2= 17.1%
420 nmR1=17.1%R2= 17.5%
440 nmR1=17.4%R2= 18.0%
460 nmR1=17.9%R2= 18.4%
480 nmR1=18.3%R2= 18.9%
500 nmR1=18.8%R2= 19.4%
520 nmR1=19.2%R2= 19.8%
540 nmR1=19.5%R2= 20.3%
560 nmR1=19.8%R2= 20.8%
580 nmR1=20.0%R2= 21.1%
600 nmR1=20.3%R2= 21.3%
620 nmR1=20.4%R2= 21.4%
640 nmR1=20.5%R2= 21.5%
660 nmR1=20.6%R2= 21.6%
680 nmR1=20.4%R2= 21.6%
700 nmR1=20.2%R2= 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
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

X-Ray Powder DiffractionHide

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

Type Occurrence of BerdesinskiiteHide

General Appearance of Type Material:
As grains, rarely up to 70 µm, 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:

Synonyms of BerdesinskiiteHide

Other Language Names for BerdesinskiiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Schreyerite1 photo of Berdesinskiite associated with Schreyerite 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.30OxyvaniteV3+2V4+O5Mon. 2/m : B2/b
4.CB.35Olkhonskite(Cr,V)2Ti3O9Mon.
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

7.7.2.2OxyvaniteV3+2V4+O5Mon. 2/m : B2/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.12.1Montroseite(V3+,Fe3+)O(OH)Orth.
7.12.2 ScherbinaiteV5+2O5
7.12.3ParamontroseiteV4+O2Orth.
7.12.4HäggiteV3+V4+O2(OH)3Mon.
7.12.5DuttoniteV4+O(OH)2Mon. 2/m
7.12.6DoloresiteV4+3O4(OH)4Mon.
7.12.7LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
7.12.8NavajoiteFe3+V5+9O24 · 12H2OMon. 2/m : B2/m
7.12.9VanoxiteV4+4V5+2O13 · 8H2O
7.12.10BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
7.12.11Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon.
7.12.12SimplotiteCaV4+4O9 · 5H2OMon.
7.12.13KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
7.12.14SchreyeriteV3+2Ti3O9Mon.
7.12.16TivaniteV3+TiO3(OH)Mon.
7.12.17MannarditeBa(Ti4+6V3+2)O16Tet. 4/m : I41/a
7.12.18KarelianiteV3+2O3Trig.
7.12.19CoulsoniteFe2+V3+2O4
7.12.20Nolanite(V3+,Fe3+,Fe2+,Ti)10O14(OH)2Hex.
7.12.21VuorelaineniteMn2+V3+2O4
7.12.22TantiteTa2O5Tric.
7.12.23Kimrobinsonite(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2Iso.

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 BerdesinskiiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1982), 67, 1074.
Bernhardt, H.-J. , Schmetzer, K. and Medenbach, O. (1983): Berdesinskiite, V2TiO5, a new mineral from Kenya and additional data for schreyerite, V2Ti3O9. Neues Jahrbuch für Mineralogie, Monatshefte, 3, 110-118. - American Mineralogist (1983), 68, 1038 (abstract).
Zeitschrift der Deutschen Gemmologischen Gesellschaft 30, 143-145.
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.

Internet Links for BerdesinskiiteHide

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 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.
Finland
 
  • Northern Finland Region
    • Vihanti
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.
Kenya (TL)
 
  • Coast Province
    • Kwale District
JJ Bernhardt, K Schmetzer, O Medenbach: N. Jb. Miner. Mh. 3, 110-118 (1983)
Madagascar
 
  • Tuléar Province (Toliara)
    • Southwestern Region
      • Ampanihy District
        • Fotadrevo Commune
Cecco, V. D. (2013). The Mineralogy and Geochemistry of the Green Giant Vanadium-graphite Deposit, SW Madagascar (Masters dissertation). University of Toronto
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.
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Lake Baikal area
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Slyudyanka (Sludyanka)
Proceedings of the Russian Mineralogical Society 136(5), 65-75.; Bosi, F., Reznitskii, L., Skogby, H., & Hålenius, 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 Barberà
        • Vimbodí
          • 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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