Vanalite Mineral Data (original) (raw)

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

Click Here for Larger Vanalite Image in a New Browser Window Images:

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 - PrismaticH-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:

47.04.02.01 (47)Vanadium Oxysalts

(47.04)(Hydrated Containing V++++ and V+++++)

(47.04.02)Dana Group

47.04.02.01 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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Ask about Vanalite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Print or Cut-and-Paste your Vanalite Specimen Label here :

Vanalite

NaAl8V10O38•30(H2O)
Dana No: 47.04.02.01 Strunz No: 04.HG.15
Locality:

Notes: