Mineralogy Database

Vasilyevite Mineral Data

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General Vasilyevite Information

Help on Chemical  Formula: Chemical Formula: (Hg2)++10O6I3Cl(CO3)
Help on Composition: Composition: Molecular Weight = 4,836.00 gm
   Mercury   86.36 %  Hg   89.80 % Hg2O
   Carbon     0.22 %  C     0.81 % CO2
   Sulfur     0.10 %  S     0.10 % S2-
               -   %  S    -0.05 % -O=S 
   Iodine     7.06 %  I     7.06 % I
               -   %   I    -0.44 % -O=I2    
   Bromine    2.51 %  Br    2.51 % Br
               -   %   Br   -0.25 % -O=Br2   
   Chlorine   0.60 %  Cl    0.60 % Cl
               -   %   Cl   -0.14 % -O=Cl2   
   Oxygen     3.15 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg20.82O6.85I2.69Br1.52Cl0.82(CO3)0.89S0.15
Help on Environment: Environment: Occurs in milligram grains in quartz-lined vugs in small quartz veins cutting brecciated silicate-carbonate rock.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Clear Creek claim, San Benitio County, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vladimir Ivanovich Vasilyev (1929-), Institute of of Geology of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.
Help on Synonym: Synonym: IMA2003-016
 

Vasilyevite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8771:1:1.7145
Help on Cell Dimensions: Cell Dimensions: a = 9.344, b = 10.653, c = 18.265, Z = 2; alpha = 93.262°, beta = 90.548°, gamma = 115.422° V = 1,639.34 Den(Calc)= 9.80
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.894(1)(312,322), 3.132(0.9)(123,113), 2.722(0.8)(124), 4.205(0.8)(014), 7.645(0.6)(111), 2.629(0.5)(130,140),
 

Physical Properties of Vasilyevite

Help on Cleavage: Cleavage: None
Help on Color: Color: Silvery gray, Black, Dark reddish black.
Help on Diaphaneity: Diaphaneity: Translucent to opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Subadamantine
Help on Streak: Streak: red brown
 

Optical Properties of Vasilyevite

Help on Optical Data: Optical Data: NCalc= 2.51 - from Gladstone-Dale relationship (KC = 0.1544) where Ncalc=Dcalc*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Moderate to strong.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: Gray with abundant orange-red to blood red internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Vasilyevite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   30.20   30.80 
   
 420 nm   29.90   30.60 
 440 nm   29.50   30.40 
 460 nm   28.90   29.80 
 470 nm   28.60   29.50 
 480 nm   28.20   29.20 
 500 nm   27.60   28.70 
 520 nm   27.00   27.80 
 540 nm   26.40   27.30 
 546 nm   26.20   27.10 
 560 nm   25.70   26.60 
 580 nm   24.90   25.90 
 589 nm   24.60   25.70 
 600 nm   24.30   25.30 
 620 nm   23.60   24.80 
 640 nm   23.00   24.10 
 650 nm   22.80   24.00 
 660 nm   22.60   23.60 
 680 nm   22.20   23.10 
 700 nm   21.90   22.90 
Standardized Intensity (100%) Reflection Spectra of Vasilyevite in Oil
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   14.60   15.30 
   
 420 nm   14.00   14.80 
 440 nm   13.50   14.40 
 460 nm   13.20   14.10 
 470 nm   13.00   13.90 
 480 nm   12.70   13.60 
 500 nm   12.30   13.10 
 520 nm   11.80   12.50 
 540 nm   11.30   12.10 
 546 nm   11.10   11.80 
 560 nm   10.70   11.50 
 580 nm   10.40   11.10 
 589 nm   10.20   10.90 
 600 nm   10.00   10.70 
 620 nm    9.70   10.40 
 640 nm    9.20   10.00 
 650 nm    9.10    9.80 
 660 nm    9.00    9.60 
 680 nm    8.70    9.30 
 700 nm    8.60    9.20 
Calculated Relative Intensity Colors of Vasilyevite in Air
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360%
R1                      
R2                      
Calculated Relative Intensity Colors of Vasilyevite in Oil
Relative
Intensity
   0%   90% 100% 180% 270% 360% 450% 540% 630% 720% 810% 870%
R1                        
R2                        
 

Calculated Properties of Vasilyevite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.94 gm/cc
note: Specific Gravity of Vasilyevite =9.80 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.26
Boson Index = 0.74
Help on Photoelectric: Photoelectric: PEVasilyevite =1,540.39 barns/electron
U=PEVasilyevite x rElectron Density=12231.53 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vasilyevite is Not Radioactive
 

Vasilyevite Classification

Help on  Dana Class: Dana Class: 10.05.15.01 (10)Oxyhalides and Hydroxyhalides
  (10.05)where Am (O,OH)p Xq
  (10.05.15)Dana Group
 
10.05.15.01 Vasilyevite! (Hg2)10O6I3Cl(CO3) P1 1
Help on  Strunz Class: Strunz Class: 03.DD.45 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DD -With Hg
 
03.DD.45 Vasilyevite! (Hg2)10O6I3Cl(CO3) P1 1
 

Other Vasilyevite Information

Help on References: References: NAME( CanMin, v 41, p 1167) PHYS. PROP.(CanMin, v 41, p 1167) OPTIC PROP.(CanMin, v 41, p 1167)
Help on See Also: See Also: Links to other databases for Vasilyevite :
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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Vasilyevite

(Hg2)++10O6I3Cl(CO3)
Dana No: 10.05.15.01 Strunz No: 03.DD.45
Locality:

 

Notes:

 

 
   
 


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