Mineralogy Database

Vanalite Mineral Data

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General Vanalite Information

Help on Chemical  Formula: Chemical Formula: NaAl8V10O38•30(H2O)
Help on Composition: Composition: Molecular Weight = 1,896.69 gm
   Sodium     1.21 %  Na    1.63 % Na2O
   Aluminum  11.38 %  Al   21.50 % Al2O3
   Vanadium  26.86 %  V    47.95 % V2O5
   Hydrogen   3.19 %  H    28.49 % H2O
   Oxygen    57.36 %  O
            ______        ______ 
            100.00 %       99.58 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaAl8V5+10O38•30(H2O)
Help on Environment: Environment: Encrusting joints and cavities in weathered shales.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Prospect in the Kurumsak River valley, northwestern Kara-Tau Mountains, south Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the VANadium and ALuminum in the composition.
Help on Name Pronunciation: Name Pronunciation: Vanalite Say VANALITE

Vanalite Image

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Comments: Fragment of bright yellow powdery vanalite.
Location: Kurumsak V Deposit, Kurumsak River Valley, Karatau Range, Ongtüstik Qazaqstan Oblysy (Southern-Kazakhstan Oblast'), Kazakhstan. Scale: Sample Size 0.025 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Vanalite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.1822:1:1.0242
Help on Cell Dimensions: Cell Dimensions: a = 12.618, b = 10.673, c = 10.932, Z = 1; beta = 95.22° V = 1,466.13 Den(Calc)= 2.15
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.7(1), 8.52(0.4), 7.9(0.35),

Physical Properties of Vanalite

Help on Cleavage: Cleavage: {010} Perfect, {100} Perfect
Help on Color: Color: Light yellow, Orange.
Help on Density: Density: 2.3 - 2.4, Average = 2.34
Help on Luster: Luster: Vitreous - Waxy
Help on Streak: Streak: yellow

Optical Properties of Vanalite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.093 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.336,KPDmeas= 0.3074,KC= 0.3075
Ncalc = 1.66 - 1.74
Help on Optical Data: Optical Data: Biaxial (?), a=1.71, g=1.735, bire=0.0250

Calculated Properties of Vanalite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.35 gm/cc
note: Specific Gravity of Vanalite =2.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0009515666
Boson Index = 0.9990484334
Help on Photoelectric: Photoelectric: PEVanalite = 5.39 barns/electron
U=PEVanalite x rElectron Density= 12.67 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vanalite is Not Radioactive

Vanalite Classification

Help on  Dana Class: Dana Class: (47)Vanadium Oxysalts
  (47.04)(Hydrated Containing V++++ and V+++++)
  (47.04.02)Dana Group Vanalite NaAl8V10O38•30(H2O) P 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.HG.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.H - V[5,6] Vanadates
  04.HG -Unclassified V oxides
04.HG.15 Vanalite NaAl8V10O38•30(H2O) P 2/m 2/m

Other Vanalite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Vanalite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 04.HG.15





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