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Borodaevite Mineral Data
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General Borodaevite Information
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 Chemical Formula: |
Ag5(Bi,Sb)9S16 |
| Composition: |
Molecular Weight = 2,736.95 gm |
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Silver 19.71 % Ag |
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Bismuth 51.54 % Bi |
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Antimony 10.01 % Sb |
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Sulfur 18.75 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Ag5Bi6.75Sb2.25S16 |
| IMA Status: |
Approved IMA 1992 |
| Locality: |
Alaskitivoje, near Ust-Nera, Yakutia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1992 for its similarity to pavonite. |
| Name Pronunciation: |
Borodaevite + Pronunciation  |
| Synonym: |
IMA1991-037 |
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Borodaevite Crystallography
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| Axial Ratios: |
a:b:c =3.2979:1:6.3445 |
| Cell Dimensions: |
a = 13.515, b = 4.098, c = 26, Z = 2; beta = 93° V = 1,438.02 Den(Calc)= 6.32 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
| X Ray Diffraction: |
By Intensity(I/Io): 2.82(1), 3.24(0.9), 3.37(0.9), |
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Physical Properties of Borodaevite
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| Color: |
Gray. |
| Density: |
7.9 |
| Diaphaneity: |
Opaque |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
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Calculated Properties of Borodaevite
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| Electron Density: |
Bulk Density (Electron Density)=5.38 gm/cc
note: Specific Gravity of Borodaevite =6.32 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0014064296
Boson Index = 0.9985935704 |
| Photoelectric: |
PEBorodaevite =1,061.86 barns/electron
U=PEBorodaevite x rElectron Density=5,718.00 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Borodaevite is Not Radioactive |
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Borodaevite Classification
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| Dana Class: |
03.08.10.05 (03)Sulfides - Sulfosalts |
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(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.08.10)Pavonite Group (Monoclinic: C/2c bismuth sulfosalts) |
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03.08.10.01 Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m |
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03.08.10.02 Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m |
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03.08.10.03 Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m |
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03.08.10.04 Mummeite Cu0.58Ag3.11Pb1.10Bi6.65S13 C 2/c 2/m |
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03.08.10.05 Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m |
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03.08.10.06 Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m |
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03.08.10.07 Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m |
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03.08.10.08 Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m |
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03.08.10.09 IMA2008-058! Ag5Bi13S22 C 2/m 2/m |
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03.08.10.10 IMA2005-036! Cu8Pb4Ag3Bi19S38 C 2/m 2/m |
| Strunz Class: |
02.JA.05g 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.J - Sulfosalts of PbS Archetype |
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02.JA -Galena derivatives with little or no Pb |
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02.JA.05g Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m |
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Other Borodaevite Information
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| References: |
NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) |
| See Also: |
Links to other databases for Borodaevite :
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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Print or Cut-and-Paste your Borodaevite Specimen Label here :
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Borodaevite
Ag5(Bi,Sb)9S16
Dana No: 03.08.10.05 Strunz No: 02.JA.05g
Locality:
Notes:
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