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Arzakite Mineral Data
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General Arzakite Information
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 Chemical Formula: |
Hg3S2(Br,Cl)2 |
| Composition: |
Molecular Weight = 803.48 gm |
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Mercury 74.90 % Hg 77.88 % Hg2O |
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Sulfur 7.98 % S 7.98 % S2- |
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- % S -3.98 % -O=S |
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Bromine 14.92 % Br 14.92 % Br |
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- %
Br -1.49 % -O=Br2 |
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Chlorine 2.21 % Cl 2.21 % Cl |
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- %
Cl -0.50 % -O=Cl2 |
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______ ______ |
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100.00 % 97.01 % = TOTAL OXIDE |
| Empirical Formula: |
Hg3S2Br1.5Cl0.5 |
| Environment: |
In oxidized zone of mercury deposits. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Arzak mercury deposits, Tuva, Siberia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named after it's locality. |
| Name Pronunciation: |
Arzakite  |
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Arzakite Image |
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Images:
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Arzakite
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 |
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Arzakite Crystallography
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| Axial Ratios: |
a:b:c =1.7156:1:3.5209 |
| Cell Dimensions: |
a = 8.99, b = 5.24, c = 18.45, Z = 5; beta = 92.46° V = 868.33 Den(Calc)= 7.68 |
| Crystal System: |
Monoclinic Space Group: P 2/m,P 2,Pm |
| 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), |
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Physical Properties of Arzakite
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| Color: |
Grayish black, Yellow, Reddish brown, Black. |
| Density: |
7.64 |
| Diaphaneity: |
Opaque |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Hardness: |
2-2.5 - Gypsum-Finger Nail |
| Luster: |
Vitreous - Metallic |
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Optical Properties of Arzakite
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| 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
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Calculated Properties of Arzakite
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| Electron Density: |
Bulk Density (Electron Density)=6.37 gm/cc
note: Specific Gravity of Arzakite =7.68 gm/cc.
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| Fermion Index: |
Fermion Index = 0.22
Boson Index = 0.78 |
| Photoelectric: |
PEArzakite =1,293.84 barns/electron
U=PEArzakite x rElectron Density=8,236.42 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arzakite is Not Radioactive |
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Arzakite Classification
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| Dana Class: |
10.03.04.02 (10)Oxyhalides and Hydroxyhalides |
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(10.03)where (A)3 (O,OH)2 Xq |
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(10.03.04)Dana Group |
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10.03.04.01 Lavrentievite Hg3S2(Cl,Br)2 P 2/m,P 2,Pm Mono |
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10.03.04.02 Arzakite Hg3S2(Br,Cl)2 P 2/m,P 2,Pm Mono |
| Strunz Class: |
02.FC.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O |
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02.FC -With Cl, Br, I (halide-sulfides) |
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02.FC.15a Arzakite Hg3S2(Br,Cl)2 P 2/m,P 2,Pm Mono |
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02.FC.15a Corderoite Hg3S2Cl2 I 213 2 3 |
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02.FC.15a Lavrentievite Hg3S2(Cl,Br)2 P 2/m,P 2,Pm Mono |
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Other Arzakite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
| 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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Arzakite
Hg3S2(Br,Cl)2
Dana No: 10.03.04.02 Strunz No: 02.FC.15a
Locality:
Notes:
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