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Schreyerite

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Formula:
V3+2Ti3O9
Colour:
Black
Lustre:
Metallic
Hardness:
7
Crystal System:
Monoclinic
Name:
For German mineralogist, Werner Schreyer (November 14 1930, Nürnberg - February 12 2006, Bochum). He was a professor at Ruhr University Bochum from 1966-1996. He was awarded the Abraham-Gottlob-Werner Medal (German Mineralogical Society) in 1991 and the Roebling Medal (Mineralogical Society of America) in 2002.
This page provides mineralogical data about Schreyerite.


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Classification of SchreyeriteHide

Approved
Approval Year:
1976
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
8.4.1.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
4 : A2B3O9
7.12.14

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

Physical Properties of SchreyeriteHide

Metallic
Colour:
Black
Hardness:

Optical Data of SchreyeriteHide

Type:
Biaxial
RI values:
nα = 2.700
Max Birefringence:
δ = 2.700
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong

Chemical Properties of SchreyeriteHide

Formula:
V3+2Ti3O9
IMA Formula:
V3+2Ti4+3O9

Crystallography of SchreyeriteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 7.06 Å, b = 5.01 Å, c = 18.74 Å
β = 119.4°
Ratio:
a:b:c = 1.409 : 1 : 3.741
Unit Cell V:
577.48 ų (Calculated from Unit Cell)

Type Occurrence of SchreyeriteHide

Synonyms of SchreyeriteHide

Other Language Names for SchreyeriteHide

German:Schreyerit
Simplified Chinese:钒钛矿
Spanish:Schreyerita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Dolomite2 photos of Schreyerite associated with Dolomite on mindat.org.
Malachite2 photos of Schreyerite associated with Malachite on mindat.org.
Volborthite2 photos of Schreyerite associated with Volborthite on mindat.org.
Chalcopyrite1 photo of Schreyerite associated with Chalcopyrite on mindat.org.
Berdesinskiite1 photo of Schreyerite associated with Berdesinskiite 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.35Olkhonskite(Cr,V)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

8.4.1.2Olkhonskite(Cr,V)2Ti3O9Mon.
8.4.1.3KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/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
7.12.15BerdesinskiiteV3+2TiO5Mon.
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 SchreyeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1978): 63: 1182-1186.
Neues Jahrbuch für Mineralogie, Monatshefte (1983): 110.
Dobelin, N., Reznitsky, L.Z., Sklyarov, E.V., Armbruster, Th., Medenbach, O. (2006): Schreyerite, V2Ti3O9: new occurrence and crystal structure. American Mineralogist, 91, 196-202.

Internet Links for SchreyeriteHide

Localities for SchreyeriteHide

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.
China
 
  • Zhejiang Province
    • Hangzhou Prefecture
      • Yuhang District
Huijin Lu and Jian Wang (2005): Mineral Deposits 24(5), 567-574
Fiji
 
  • Viti Levu
    • Tavua Gold Field
      • Vatukoula
16th Australian Geological Convention, Adelaide, ; Spry, P. G., & Scherbarth, N. L. (2006). The gold–vanadium–tellurium association at the Tuvatu gold–silver prospect, Fiji: conditions of ore deposition. Mineralogy and Petrology, 87(3-4), 171-186
India
 
  • Rajasthan (Rajputana)
    • Ajmer Division
      • Bhilwara District
Höller, W., and Gandhi, S.M. (1997): Mineralogy and Petrology 60, 99-119.
Kenya (TL)
 
  • Coast Province
    • Kwale District
Lapis 8(4), 25 (1983)
Madagascar
 
  • Tuléar Province (Toliara)
    • Southwestern Region
      • Ampanihy District
        • Fotadrevo Commune
          • 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.
Russia
 
  • 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
N. Dobelin et al.: American Mineralogist 91:196-202 (2006)
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.
  • Northern Region
    • Karelia Republic
      • Lake Onega
        • Zaonezhie peninsula
          • Velikaya Guba uran-vanadium deposit
Pavel M/ Kartashov analytical data (2013)
Sweden
 
  • Östergötland
    • Finspång
      • Doverstorp ore field
Zakrzewski et al (1982): Canadian Mineralogist 20, 281-290; Döbelin, N., Reznitsky, L. Z., Sklyarov, E. V., Armbruster, T. & Medenbach, O. (2006): Schreyerite, V2Ti3O9: New occurrence and crystal structure. American Mineralogist. 91, 196-202
Mineral and/or Locality  
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