Alvanite Mineral Data

Alvanite Mineral Data
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General Alvanite Information

Help on Chemical Formula: Chemical Formula: (Zn,Ni)Al4(VO3)2(OH)12•2(H2O)
Help on Composition: Composition: Molecular Weight = 609.64 gm
   Aluminum  17.70 %  Al   33.45 % Al2O3
   Vanadium  16.71 %  V    24.59 % V2O3
   Zinc       8.04 %  Zn   10.01 % ZnO
   Nickel     2.41 %  Ni    3.06 % NiO
   Hydrogen   2.65 %  H    23.64 % H2O
   Oxygen    52.49 %  O
            ______        ______ 
            100.00 %       94.75 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn0.75Ni0.25Al4(VO3)2(OH)12•2(H2O)
Help on Environment: Environment: Oxidation zone of a vanadiferous clay-anthraxolite horizon.
Help on IMA Status: IMA Status: Approved IMA 1959
Help on Locality: Locality: Several mines of the Kurumsak and Balasauskandyk districts, northwestern Kara-Tau Mountains, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the ALuminum and VANadium in the composition.
Help on Name Pronunciation: Name Pronunciation: Alvanite Say ALVANITE
Help on Synonym: Synonym: ICSD 69459
  PDF 13-386
 

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Alvanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =3.4699:1:1.7305
Help on Cell Dimensions: Cell Dimensions: a = 17.808, b = 5.132, c = 8.881, Z = 2; beta = 92.11° V = 811.09 Den(Calc)= 2.50
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.46(1), 8.91(0.9), 7.85(0.8),
 

Physical Properties of Alvanite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Bluish green, Blue black, Black.
Help on Density: Density: 2.41 - 2.49, Average = 2.45
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: gray
 

Optical Properties of Alvanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.169 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.146 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2744,KPDmeas= 0.28,KC= 0.2394
Ncalc = 1.58 - 1.6
Help on Optical Data: Optical Data: Biaxial (-), a=1.658, g=1.714, bire=0.0560, 2V(Meas)=80-85.
 

Calculated Properties of Alvanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.49 gm/cc
note: Specific Gravity of Alvanite =2.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0042439242
Boson Index = 0.9957560758
Help on Photoelectric: Photoelectric: PEAlvanite = 8.48 barns/electron
U=PEAlvanite x rElectron Density= 21.12 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Alvanite is Not Radioactive
 

Alvanite Classification
Help on Dana Class: Dana Class: 42.13.13.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.13)Dana Type
  (42.13.13)Alvanite Group
 
42.13.13.01 Alvanite (Zn,Ni)Al4(VO3)2(OH)12•2(H2O) P 21/n 2/m
 
42.13.13.02 Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 21/n 2/m
Help on Strunz Class: Strunz Class: 08.FE.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.F - Polyphosphates, Polyarsenates, [4]-Polyvanadates
  08.FE -Ino-[4]-vanadates
 
08.FE.05 Alvanite (Zn,Ni)Al4(VO3)2(OH)12•2(H2O) P 21/n 2/m
 
08.FE.05 Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 21/n 2/m
 

Other Alvanite 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 Alvanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Alvanite Specimen Label here :

Alvanite

(Zn,Ni)Al4(VO3)2(OH)12•2(H2O)
Dana No: 42.13.13.01 Strunz No: 08.FE.05
Locality:

 

Notes: