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Kazakhstanite Mineral Data
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General Kazakhstanite Information
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 Chemical Formula: |
Fe+++5V++++3V+++++12O39(OH)9•9(H2O) |
| Composition: |
Molecular Weight = 1,973.53 gm |
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Vanadium 38.72 % V 12.61 % VO2 / 55.30 % V2O5 |
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Iron 14.15 % Fe 20.23 % Fe2O3 |
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Hydrogen 1.33 % H 11.87 % H2O |
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Oxygen 45.80 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe3+5V4+3V5+12O39(OH)9•8.5(H2O) |
| Environment: |
Black shales. |
| IMA Status: |
Approved IMA 1989 |
| Locality: |
Northwestern Karatau, Kazakhstan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Kazakhstanite + Pronunciation  |
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Kazakhstanite Image |
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Images:
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Kazakhstanite Crystallography
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| Axial Ratios: |
a:b:c =3.2438:1:5.8273 |
| Cell Dimensions: |
a = 11.84, b = 3.65, c = 21.27, Z = 1; beta = 100° V = 905.24 Den(Calc)= 3.62 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m |
| X Ray Diffraction: |
By Intensity(I/Io): 10.51(1), 3.484(0.6), 2.606(0.4), |
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Physical Properties of Kazakhstanite
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| Cleavage: |
{001} Perfect |
| Color: |
Black. |
| Density: |
3.4 - 3.6, Average = 3.5 |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
2.5 - Finger Nail |
| Luster: |
Subadamantine |
| Streak: |
brownish black |
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Optical Properties of Kazakhstanite
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| Optical Data: |
Biaxial (?) |
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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
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| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Kazakhstanite in Air
| λ |
R |
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∑ R(λ) |
| 440 nm |
16.40 |
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| 460 nm |
15.80 |
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| 480 nm |
15.00 |
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| 500 nm |
14.30 |
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| 520 nm |
13.60 |
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| 540 nm |
13.10 |
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| 560 nm |
12.80 |
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| 580 nm |
12.30 |
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| 600 nm |
12.10 |
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| 620 nm |
12.00 |
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| 640 nm |
12.00 |
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| 660 nm |
11.90 |
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| 680 nm |
11.80 |
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| 700 nm |
11.80 |
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Calculated Relative Intensity Colors of Kazakhstanite in Air
Relative
Intensity |
0% |
80% |
100% |
160% |
240% |
320% |
400% |
480% |
560% |
640% |
720% |
| R |
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Calculated Properties of Kazakhstanite
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| Electron Density: |
Bulk Density (Electron Density)=3.50 gm/cc
note: Specific Gravity of Kazakhstanite =3.62 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0041894082
Boson Index = 0.9958105918 |
| Photoelectric: |
PEKazakhstanite = 11.67 barns/electron
U=PEKazakhstanite x rElectron Density= 40.80 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kazakhstanite is Not Radioactive |
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Kazakhstanite Classification
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| Dana Class: |
47.03.02.06 (47)Vanadium Oxysalts |
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(47.03)(Hydrated) |
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(47.03.02)Straczekite Group |
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47.03.02.01 Straczekite (Ca,K,Ba)(V5,V4)8O20•3H2O C 2/m 2/m |
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47.03.02.02 Corvusite (Na,Ca,K)V8O20•4(H2O) C 2/m 2/m |
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47.03.02.03 Fernandinite CaV8O20•4(H2O) C 2/m 2/m |
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47.03.02.04 Bariandite Al0.6V8O20•9(H2O) C 2/c 2/m |
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47.03.02.05 Bokite (Al,Fe)1.3(V,Fe)8O20•4.7(H2O) C 2/m 2/m |
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47.03.02.06 Kazakhstanite Fe5V3V12O39(OH)9•9(H2O) C 2/m 2/m |
| Strunz Class: |
08.CB.45 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.C - Phosphates without Additional Anions, with H2O |
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08.CB -With only medium-sized cations, RO4:H2O = 1:1 |
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08.CB.45 Kazakhstanite Fe5V3V12O39(OH)9•9(H2O) C 2/m 2/m |
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Other Kazakhstanite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic3) |
| 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 :
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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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