Shakhovite Mineral Data

General Shakhovite Information

Chemical Formula:

Hg+4Sb+++++O3(OH)3

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

Empirical Formula:

Hg₄SbO₃(OH)₃

Environment:

A late-stage secondary mineral in the oxidation zone of cinnabar-stibnite ore.

IMA Status:

Approved IMA 1980

Locality:

Kelyan Sb-Hg mine, Buryatia, Siveria, Russia. Khaidarkan, Fergana, Kirghizia. Link to MinDat.org Location Data.

Name Origin:

Named for Feliks Nikolaevich Shakhov (1894-1971), Head of the Division of Geochemistry in the Russian Academy of Sciences.

Name Pronunciation:

Shakhovite + Pronunciation

Synonym:

ICSD 20907

PDF 41-1462

Shahovite

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Shakhovite Crystallography

Axial Ratios:

a:b:c =0.3226:1:0.3598

Cell Dimensions:

a = 4.871, b = 15.098, c = 5.433, Z = 2; beta = 98.86° V = 394.79 Den(Calc)= 8.61

Crystal System:

Monoclinic - DomaticH-M Symbol (m) Space Group: Im

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.88(1), 3.33(0.8), 2.69(0.6),

Crystal Structure:

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Tillmanns E , Krupp R , Abraham K , Tschermaks Mineralogische und Petrographische Mitteilungen , 30 (1982) p.227-235, New data on the mercury antimony mineral shakhovite: Chemical composition,, unit cell and crystal structure, Locality: Moschellandsberg, Palatinate, Germany

Physical Properties of Shakhovite

Cleavage:

{hk0} Good, {hk0} Good

Color:

Green, Olive green, Yellowish green.

Density:

8.34 - 8.51, Average = 8.42

Diaphaneity:

Semitransparent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Platy - Sheet forms (e.g. micas).

Hardness:

3-3.5 - Calcite-Copper Penny

Streak:

green yellow

Optical Properties of Shakhovite

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

Optical Data:

Biaxial (?), a=2.03, b=2.03, g=2.03, bire=0.0000

Pleochroism (x):

colorless.

Pleochroism (z):

olive green.

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**
Relative Intensity	0%	60%	100%	120%	180%	240%	300%	360%	420%	480%	540%	590%
R₁
R₂

Calculated Properties of Shakhovite

Electron Density:

Bulk Density (Electron Density)=6.95 gm/cc
note: Specific Gravity of Shakhovite =8.43 gm/cc.

Fermion Index:

Fermion Index = 0.23
Boson Index = 0.77

Photoelectric:

PE_Shakhovite=1,388.01 barns/electron
U=PE_Shakhovite x rElectron Density=9,646.62 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Shakhovite is Not Radioactive

Shakhovite Classification

Dana Class:

44.03.08.01 (44)Antimonates

(44.03)with miscellaneous formulae

(44.03.08)Dana Group

44.03.08.01 Shakhovite Hg4SbO3(OH)3 Im m

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

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)

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
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Shakhovite Specimen Label here :

Shakhovite

Hg+4Sb+++++O3(OH)3
Dana No: 44.03.08.01 Strunz No: 04.FB.05
Locality:

Notes: