Mineralogy Database

Shakhovite Mineral Data

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General Shakhovite Information

Help on Chemical  Formula: Chemical Formula: Hg+4Sb+++++O3(OH)3
Help on Composition: Composition: Molecular Weight = 1,023.13 gm
   Mercury   78.42 %  Hg   81.55 % Hg2O
   Antimony  11.90 %  Sb   15.81 % Sb2O5
   Hydrogen   0.30 %  H     2.64 % H2O
   Oxygen     9.38 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg4SbO3(OH)3
Help on Environment: Environment: A late-stage secondary mineral in the oxidation zone of cinnabar-stibnite ore.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Kelyan Sb-Hg mine, Buryatia, Siveria, Russia. Khaidarkan, Fergana, Kirghizia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Feliks Nikolaevich Shakhov (1894-1971), Head of the Division of Geochemistry in the Russian Academy of Sciences.
Help on Name Pronunciation: Name Pronunciation: Shakhovite + Pronunciation Say SHAKHOVITE
Help on Synonym: Synonym: ICSD 20907
  PDF 41-1462

Shakhovite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3226:1:0.3598
Help on Cell Dimensions: Cell Dimensions: a = 4.871, b = 15.098, c = 5.433, Z = 2; beta = 98.86° V = 394.79 Den(Calc)= 8.61
Help on Crystal System: Crystal System: Monoclinic - Domatic H-M Symbol (m) Space Group: Im
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.88(1), 3.33(0.8), 2.69(0.6),

Physical Properties of Shakhovite

Help on Cleavage: Cleavage: {hk0} Good, {hk0} Good
Help on Color: Color: Green, Olive green, Yellowish green.
Help on Density: Density: 8.34 - 8.51, Average = 8.42
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Streak: Streak: green yellow

Optical Properties of Shakhovite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.188 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.206 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1196,KPDmeas= 0.1223,KC= 0.1506
Ncalc = 2.26 - 2.3
Help on Optical Data: Optical Data: Biaxial (?), a=2.03, b=2.03, g=2.03, bire=0.0000
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (z): Pleochroism (z): olive green.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Shakhovite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 434 nm   24.50   19.00 
 460 nm   22.50   17.60 
 486 nm   21.50   16.40 
 500 nm   21.50   16.20 
 546 nm   20.20   15.80 
 590 nm   20.30   15.60 
 656 nm   18.20   13.40 
Calculated Relative Intensity Colors of Shakhovite in Air
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 590%

Calculated Properties of Shakhovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.95 gm/cc
note: Specific Gravity of Shakhovite =8.43 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.23
Boson Index = 0.77
Help on Photoelectric: Photoelectric: PEShakhovite =1,388.01 barns/electron
U=PEShakhovite x rElectron Density=9,646.62 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Shakhovite is Not Radioactive

Shakhovite Classification

Help on  Dana Class: Dana Class: (44)Antimonates
  (44.03)with miscellaneous formulae
  (44.03.08)Dana Group Shakhovite Hg4SbO3(OH)3 Im m
Help on  Strunz Class: Strunz Class: 04.FB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FB -Hydroxides with OH, without H2O; insular octahedra
04.FB.05 Shakhovite Hg4SbO3(OH)3 Im m

Other Shakhovite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Shakhovite :
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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Dana No: Strunz No: 04.FB.05





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