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Kazakhstanite Mineral Data

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General Kazakhstanite Information

Help on Chemical  Formula: Chemical Formula: Fe+++5V++++3V+++++12O39(OH)9•9(H2O)
Help on Composition: Composition: Molecular Weight = 1,973.53 gm
   Vanadium  38.72 %  V    12.61 % VO2 / 55.30 % V2O5
   Iron      14.15 %  Fe   20.23 % Fe2O3
   Hydrogen   1.33 %  H    11.87 % H2O
   Oxygen    45.80 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+5V4+3V5+12O39(OH)9•8.5(H2O)
Help on Environment: Environment: Black shales.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Northwestern Karatau, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Kazakhstanite + Pronunciation Say KAZAKHSTANITE
 

Kazakhstanite Image

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  Kazakhstanite

Comments: Deep black sooty coatings of kazakhstanite on silicified rock.
Location: Gold Quarry Mine, Carlin Trend, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kazakhstanite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.2438:1:5.8273
Help on Cell Dimensions: Cell Dimensions: a = 11.84, b = 3.65, c = 21.27, Z = 1; beta = 100° V = 905.24 Den(Calc)= 3.62
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.51(1), 3.484(0.6), 2.606(0.4),
 

Physical Properties of Kazakhstanite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Black.
Help on Density: Density: 3.4 - 3.6, Average = 3.5
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Subadamantine
Help on Streak: Streak: brownish black
 

Optical Properties of Kazakhstanite

Help on Optical Data: Optical Data: Biaxial (?)
  NCalc= 2.24 - from Gladstone-Dale relationship (KC = 0.3416) where Ncalc=Dcalc*KC+1
NCalc= 2.2 - from Gladstone-Dale relationship (KC = 0.3416) where Ncalc=Dmeas*KC+1
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Kazakhstanite in Air
λ R  ∑ R(λ) 
 440 nm   16.40   
 460 nm   15.80 
 480 nm   15.00 
 500 nm   14.30 
 520 nm   13.60 
 540 nm   13.10 
 560 nm   12.80 
 580 nm   12.30 
 600 nm   12.10 
 620 nm   12.00 
 640 nm   12.00 
 660 nm   11.90 
 680 nm   11.80 
 700 nm   11.80 
Calculated Relative Intensity Colors of Kazakhstanite in Air
Relative
Intensity
   0%   80% 100% 160% 240% 320% 400% 480% 560% 640% 720%
R                      
 

Calculated Properties of Kazakhstanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.50 gm/cc
note: Specific Gravity of Kazakhstanite =3.62 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0041894082
Boson Index = 0.9958105918
Help on Photoelectric: Photoelectric: PEKazakhstanite = 11.67 barns/electron
U=PEKazakhstanite x rElectron Density= 40.80 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kazakhstanite is Not Radioactive
 

Kazakhstanite Classification

Help on  Dana Class: Dana Class: 47.03.02.06 (47)Vanadium Oxysalts
  (47.03)(Hydrated)
  (47.03.02)Straczekite Group
 
47.03.02.01 Straczekite (Ca,K,Ba)(V5,V4)8O20•3H2O C 2/m 2/m
 
47.03.02.02 Corvusite (Na,Ca,K)V8O20•4(H2O) C 2/m 2/m
 
47.03.02.03 Fernandinite CaV8O20•4(H2O) C 2/m 2/m
 
47.03.02.04 Bariandite Al0.6V8O20•9(H2O) C 2/c 2/m
 
47.03.02.05 Bokite (Al,Fe)1.3(V,Fe)8O20•4.7(H2O) C 2/m 2/m
 
47.03.02.06 Kazakhstanite Fe5V3V12O39(OH)9•9(H2O) C 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.CB.45 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CB -With only medium-sized cations, RO4:H2O = 1:1
 
08.CB.45 Kazakhstanite Fe5V3V12O39(OH)9•9(H2O) C 2/m 2/m
 

Other Kazakhstanite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Kazakhstanite :
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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Print or Cut-and-Paste your Kazakhstanite Specimen Label here :

Kazakhstanite

Fe+++5V++++3V+++++12O39(OH)9•9(H2O)
Dana No: 47.03.02.06 Strunz No: 08.CB.45
Locality:

 

Notes:

 

 
   
 


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