Zoltaiite Mineral Data

Zoltaiite Mineral Data
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General Zoltaiite Information

Help on Chemical Formula: Chemical Formula: BaV++++2V+++12Si2O27
Help on Composition: Composition: Molecular Weight = 1,340.36 gm
   Barium    10.76 %  Ba   12.01 % BaO
   Titanium   4.68 %  Ti    7.81 % TiO2
   Vanadium  44.66 %  V    61.84 % V2O3 /  4.27 % VO2
   Chromium   1.32 %  Cr    1.93 % Cr2O3
   Iron       2.04 %  Fe    2.92 % Fe2O3
   Silicon    4.32 %  Si    9.23 % SiO2
   Oxygen    32.23 %  O
            ______        ______ 
            100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba1.05Ti1.31V4+0.69V3+11.06Fe3+0.49Cr0.34Si2.06O27
Help on Environment: Environment: Zoltaiite formed with quartz, celsian, apatite, sphalerite, pyrrhotite, and galena under greenschist-facies metamorphism
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Wigwam deposit, Akolkolex River area, southeast of Revelstoke, British Columbia, Canada Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Tibor Zoltai (1925-2003) in recognition of his contributions to mineralogy both as a researcher and as an educator.
Help on Synonym: Synonym: IMA2003-006
 

Zoltaiite Image

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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

Zoltaiite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.21286
Help on Cell Dimensions: Cell Dimensions: a = 7.6014, c = 9.2195, Z = 1; V = 461.34 Den(Calc)= 4.82
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: P 3
Help on X Ray Diffraction: 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),
Click Here for Large Zoltaiite Structure Window Crystal Structure:

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Bartholomew P R , Mancini F , Cahill C L , Harlow G E , Bernhardt H J , American Mineralogist , 90 (2005) p.1655-1660, Zoltaiite, a new barium-vanadium nesosubsilicate mineral from British Columbia:, Description and crystal structure, Sample: Wigwam Pb-Zn deposit, southeast of Revelstoke, British Columbia, Canada

 

Physical Properties of Zoltaiite

Help on Cleavage: Cleavage: None
Help on Color: Color: Steel gray, Black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern.
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Hardness: Hardness: 6-7 - Orthoclase-Quartz
Help on Luster: Luster: Sub Metallic
 

Optical Properties of Zoltaiite

Help on Optical Data: Optical Data: NCalc= 2.3 - from Gladstone-Dale relationship (KC = 0.2694) where Ncalc=Dcalc*KC+1
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Gray with a weak brownish tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Zoltaiite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   16.00   16.43 
   
 420 nm   15.82   16.38 
 440 nm   15.79   16.53 
 460 nm   15.83   16.70 
 470 nm   15.87   16.83 
 480 nm   15.92   16.96 
 500 nm   15.98   17.13 
 520 nm   16.00   17.26 
 540 nm   16.00   17.33 
 546 nm   15.99   17.33 
 560 nm   15.96   17.31 
 580 nm   15.94   17.37 
 589 nm   15.93   17.41 
 600 nm   15.93   17.45 
 620 nm   15.95   17.56 
 640 nm   16.03   17.69 
 650 nm   16.08   17.75 
 660 nm   16.14   17.81 
 680 nm   16.26   17.91 
 700 nm   16.40   18.03 
Standardized Intensity (100%) Reflection Spectra of Zoltaiite in Oil
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm    4.43    4.91 
   
 420 nm    4.40    4.94 
 440 nm    4.43    5.07 
 460 nm    4.49    5.21 
 470 nm    4.53    5.29 
 480 nm    4.57    5.38 
 500 nm    4.62    5.50 
 520 nm    4.64    5.56 
 540 nm    4.64    5.58 
 546 nm    4.64    5.58 
 560 nm    4.63    5.59 
 580 nm    4.62    5.62 
 589 nm    4.62    5.59 
 600 nm    4.62    5.57 
 620 nm    4.65    5.73 
 640 nm    4.69    5.81 
 650 nm    4.72    5.85 
 660 nm    4.76    5.90 
 680 nm    4.85    5.97 
 700 nm    4.92    6.02 
Calculated Relative Intensity Colors of Zoltaiite in Air
Relative
Intensity		    0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 560%
R1                        
R2                        
Calculated Relative Intensity Colors of Zoltaiite in Oil
Relative
Intensity		    0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000%
R1                      
R2                      
 

Calculated Properties of Zoltaiite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.49 gm/cc
note: Specific Gravity of Zoltaiite =4.82 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEZoltaiite = 57.02 barns/electron
U=PEZoltaiite x rElectron Density= 255.72 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zoltaiite is Not Radioactive
 

Zoltaiite Classification
Help on Dana Class: Dana Class: 47.02.06.01 (47)Vanadium Oxysalts
  (47.02)(VmOn)
  (47.02.06)Dana Group
 
47.02.06.01 Zoltaiite! BaV2V12Si2O27 P 3 3
Help on Strunz Class: Strunz Class: 09.AG.85 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AG -Nesosilicates with additional anions; cations in > [6] ± [6] coordination
 
09.AG.85 Zoltaiite! BaV2V12Si2O27 P 3 3
 

Other Zoltaiite Information
Help on References: References: NAME( AmMin, v 90, p1655) PHYS. PROP.(AmMin, v 90, p1655) OPTIC PROP.(AmMin, v 90, p1655)
Help on See Also: See Also: Links to other databases for Zoltaiite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Zoltaiite

BaV++++2V+++12Si2O27
Dana No: 47.02.06.01 Strunz No: 09.AG.85
Locality:

 

Notes: