Borodaevite Mineral Data (original) (raw)
General Borodaevite Information
Chemical Formula:
Ag5(Bi,Sb)9S16
Composition:
Molecular Weight = 2,736.95 gm
Silver 19.71 % Ag
Bismuth 51.54 % Bi
Antimony 10.01 % Sb
Sulfur 18.75 % S
______
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
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 - PrismaticH-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),
Physical Properties of Borodaevite
Color:
Gray.
Density:
7.9
Diaphaneity:
Opaque
Hardness:
3.5 - Copper Penny
Luster:
Metallic
Calculated Properties of Borodaevite
Electron Density:
Bulk Density (Electron Density)=5.38 gm/cc
note: Specific Gravity of Borodaevite =6.32 gm/cc.
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.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Borodaevite is Not Radioactive
Borodaevite Classification
Dana Class:
03.08.10.05 (03)Sulfides - Sulfosalts
(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
(03.08.10)Pavonite Group (Monoclinic: C/2c bismuth sulfosalts)
03.08.10.01 Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m
03.08.10.02 Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m
03.08.10.03 Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m
03.08.10.04 Mummeite Cu0.58Ag3.11Pb1.10Bi6.65S13 C 2/c 2/m
03.08.10.05 Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m
03.08.10.06 Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m
03.08.10.07 Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m
03.08.10.08 Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m
03.08.10.09 IMA2008-058! Ag5Bi13S22 C 2/m 2/m
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
02.J - Sulfosalts of PbS Archetype
02.JA -Galena derivatives with little or no Pb
02.JA.05g Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m
Other Borodaevite Information
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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Borodaevite
Ag5(Bi,Sb)9S16
Dana No: 03.08.10.05 Strunz No: 02.JA.05g
Locality:
Notes: