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Zoltaiite Mineral Data
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General Zoltaiite Information
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 Chemical Formula: |
BaV++++2V+++12Si2O27 |
| Composition: |
Molecular Weight = 1,340.36 gm |
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Barium 10.76 % Ba 12.01 % BaO |
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Titanium 4.68 % Ti 7.81 % TiO2 |
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Vanadium 44.66 % V 61.84 % V2O3 / 4.27 % VO2 |
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Chromium 1.32 % Cr 1.93 % Cr2O3 |
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Iron 2.04 % Fe 2.92 % Fe2O3 |
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Silicon 4.32 % Si 9.23 % SiO2 |
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Oxygen 32.23 % O |
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______ ______ |
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100.00 % 100.01 % = TOTAL OXIDE |
| Empirical Formula: |
Ba1.05Ti1.31V4+0.69V3+11.06Fe3+0.49Cr0.34Si2.06O27 |
| Environment: |
Zoltaiite formed with quartz, celsian, apatite, sphalerite, pyrrhotite, and galena under greenschist-facies metamorphism |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Wigwam deposit, Akolkolex River area, southeast of Revelstoke, British Columbia, Canada Link to MinDat.org Location Data. |
| Name Origin: |
Named after Tibor Zoltai (1925-2003) in recognition of his contributions to mineralogy both as a researcher and as an educator. |
| Synonym: |
IMA2003-006 |
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Zoltaiite Image |
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Images:
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Zoltaiite
Comments: B&W reflected-light photomicrograph showing zoltaiite grains (Z) in the type sample. AmMin v90, p1656.
Location: Eastern edge of the Shuswap metamorphic complex of British Columbia, Canada.
Scale: See Image.
© American Mineralogist |
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Zoltaiite Crystallography
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| Axial Ratios: |
a:c = 1:1.21286 |
| Cell Dimensions: |
a = 7.6014, c = 9.2195, Z = 1; V = 461.34 Den(Calc)= 4.82 |
| Crystal System: |
Trigonal - Rhombohedral H-M Symbol ( 3) Space Group: P 3 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.19(1), 2.934(0.89), 3.103(0.78),2.785(0.67), 1.438(0.63), 1.934(0.53), 2.403(0.5), 2.679(0.48), 1.693(0.45), |
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Physical Properties of Zoltaiite
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| Cleavage: |
None |
| Color: |
Steel gray, Black. |
| Diaphaneity: |
Opaque |
| Fracture: |
Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern. |
| Habit: |
Disseminated - Occurs in small, distinct particles dispersed in matrix. |
| Hardness: |
6-7 - Orthoclase-Quartz |
| Luster: |
Sub Metallic |
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Optical Properties of Zoltaiite
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| Optical Data: |
NCalc= 2.3 - from Gladstone-Dale relationship (KC = 0.2694) where Ncalc=Dcalc*KC+1
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| RL Bireflectance: |
Weak. |
| RL Color: |
Gray with a weak brownish tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Zoltaiite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
16.00 |
16.43 |
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| 420 nm |
15.82 |
16.38 |
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| 440 nm |
15.79 |
16.53 |
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| 460 nm |
15.83 |
16.70 |
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| 470 nm |
15.87 |
16.83 |
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| 480 nm |
15.92 |
16.96 |
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| 500 nm |
15.98 |
17.13 |
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| 520 nm |
16.00 |
17.26 |
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| 540 nm |
16.00 |
17.33 |
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| 546 nm |
15.99 |
17.33 |
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| 560 nm |
15.96 |
17.31 |
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| 580 nm |
15.94 |
17.37 |
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| 589 nm |
15.93 |
17.41 |
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| 600 nm |
15.93 |
17.45 |
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| 620 nm |
15.95 |
17.56 |
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| 640 nm |
16.03 |
17.69 |
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| 650 nm |
16.08 |
17.75 |
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| 660 nm |
16.14 |
17.81 |
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| 680 nm |
16.26 |
17.91 |
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| 700 nm |
16.40 |
18.03 |
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Standardized Intensity (100%) Reflection Spectra of Zoltaiite in Oil
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
4.43 |
4.91 |
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| 420 nm |
4.40 |
4.94 |
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| 440 nm |
4.43 |
5.07 |
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| 460 nm |
4.49 |
5.21 |
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| 470 nm |
4.53 |
5.29 |
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| 480 nm |
4.57 |
5.38 |
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| 500 nm |
4.62 |
5.50 |
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| 520 nm |
4.64 |
5.56 |
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| 540 nm |
4.64 |
5.58 |
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| 546 nm |
4.64 |
5.58 |
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| 560 nm |
4.63 |
5.59 |
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| 580 nm |
4.62 |
5.62 |
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| 589 nm |
4.62 |
5.59 |
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| 600 nm |
4.62 |
5.57 |
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| 620 nm |
4.65 |
5.73 |
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| 640 nm |
4.69 |
5.81 |
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| 650 nm |
4.72 |
5.85 |
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| 660 nm |
4.76 |
5.90 |
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| 680 nm |
4.85 |
5.97 |
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| 700 nm |
4.92 |
6.02 |
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Calculated Relative Intensity Colors of Zoltaiite in Air
Relative
Intensity |
0% |
60% |
100% |
120% |
180% |
240% |
300% |
360% |
420% |
480% |
540% |
560% |
| R1 |
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| R2 |
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Calculated Relative Intensity Colors of Zoltaiite in Oil
Relative
Intensity |
0% |
100% |
200% |
300% |
400% |
500% |
600% |
700% |
800% |
900% |
1000% |
| R1 |
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| R2 |
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Calculated Properties of Zoltaiite
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| Electron Density: |
Bulk Density (Electron Density)=4.49 gm/cc
note: Specific Gravity of Zoltaiite =4.82 gm/cc.
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| Fermion Index: |
Fermion Index = 0.03
Boson Index = 0.97 |
| Photoelectric: |
PEZoltaiite = 57.02 barns/electron
U=PEZoltaiite x rElectron Density= 255.72 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zoltaiite is Not Radioactive |
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Zoltaiite Classification
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| Dana Class: |
47.02.06.01 (47)Vanadium Oxysalts |
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(47.02)(VmOn) |
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(47.02.06)Dana Group |
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47.02.06.01 Zoltaiite! BaV2V12Si2O27 P 3 3 |
| Strunz Class: |
09.AG.85 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AG -Nesosilicates with additional anions; cations in > [6] � [6] coordination |
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09.AG.85 Zoltaiite! BaV2V12Si2O27 P 3 3 |
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Other Zoltaiite Information
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| References: |
NAME( AmMin, v 90, p1655) PHYS. PROP.(AmMin, v 90, p1655) OPTIC PROP.(AmMin, v 90, p1655) |
| See Also: |
Links to other databases for Zoltaiite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Zoltaiite Specimen Label here :
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Zoltaiite
BaV++++2V+++12Si2O27
Dana No: 47.02.06.01 Strunz No: 09.AG.85
Locality:
Notes:
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