Mineralogy Database

Arzakite Mineral Data

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General Arzakite Information

Help on Chemical  Formula: Chemical Formula: Hg3S2(Br,Cl)2
Help on Composition: Composition: Molecular Weight = 803.48 gm
   Mercury   74.90 %  Hg   77.88 % Hg2O
   Sulfur     7.98 %  S     7.98 % S2-
               -   %  S    -3.98 % -O=S 
   Bromine   14.92 %  Br   14.92 % Br
               -   %   Br   -1.49 % -O=Br2   
   Chlorine   2.21 %  Cl    2.21 % Cl
               -   %   Cl   -0.50 % -O=Cl2   
            ______        ______ 
            100.00 %       97.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg3S2Br1.5Cl0.5
Help on Environment: Environment: In oxidized zone of mercury deposits.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Arzak mercury deposits, Tuva, Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's locality.
Help on Name Pronunciation: Name Pronunciation: Arzakite Say ARZAKITE

Arzakite Image

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Comments: Orange brown arzakite crystals lining vug, co-type material; associated with jarosite (sharp crystals), montroydite (dark red - blackish).
Location: Arzak deposit, Tuva, Siberia, Russia. Scale: See Image.
© Rruff Database

Arzakite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.7156:1:3.5209
Help on Cell Dimensions: Cell Dimensions: a = 8.99, b = 5.24, c = 18.45, Z = 5; beta = 92.46° V = 868.33 Den(Calc)= 7.68
Help on Crystal System: Crystal System: Monoclinic Space Group: P 2/m,P 2,Pm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.65(1), 3.06(0.6), 3.07(0.6),5.1(0.6), 2.32(0.5), 1.618(0.3), 4.06(0.3), 3.43(0.3),

Physical Properties of Arzakite

Help on Color: Color: Grayish black, Yellow, Reddish brown, Black.
Help on Density: Density: 7.64
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luster: Luster: Vitreous - Metallic

Optical Properties of Arzakite

Help on Optical Data: Optical Data: NCalc= 2.16 - from Gladstone-Dale relationship (KC = 0.1515) where Ncalc=Dcalc*KC+1
NCalc= 2.16 - from Gladstone-Dale relationship (KC = 0.1515) where Ncalc=Dmeas*KC+1

Calculated Properties of Arzakite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.37 gm/cc
note: Specific Gravity of Arzakite =7.68 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.22
Boson Index = 0.78
Help on Photoelectric: Photoelectric: PEArzakite =1,293.84 barns/electron
U=PEArzakite x rElectron Density=8,236.42 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arzakite is Not Radioactive

Arzakite Classification

Help on  Dana Class: Dana Class: (10)Oxyhalides and Hydroxyhalides
  (10.03)where (A)3 (O,OH)2 Xq
  (10.03.04)Dana Group Lavrentievite Hg3S2(Cl,Br)2 P 2/m,P 2,Pm Mono Arzakite Hg3S2(Br,Cl)2 P 2/m,P 2,Pm Mono
Help on  Strunz Class: Strunz Class: 02.FC.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O
  02.FC -With Cl, Br, I (halide-sulfides)
02.FC.15a Arzakite Hg3S2(Br,Cl)2 P 2/m,P 2,Pm Mono
02.FC.15a Corderoite Hg3S2Cl2 I 213 2 3
02.FC.15a Lavrentievite Hg3S2(Cl,Br)2 P 2/m,P 2,Pm Mono

Other Arzakite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Arzakite :
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: 02.FC.15a





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