Mineralogy Database

IMA2008-053 Mineral Data

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General IMA2008-053 Information

Help on Chemical  Formula: Chemical Formula: Cu7Pb27Bi25S68
Help on Composition: Composition: Molecular Weight = 8,264.22 gm
   Copper    5.38 %  Cu
   Bismuth  63.22 %  Bi
   Lead      5.01 %  Pb
   Sulfur   26.38 %  S
           100.00 % 
Help on Empirical Formula: Empirical Formula: Cu7Pb2Bi25S68
Help on Environment: Environment: Cu end-member of a solid solution series with neyite
Help on IMA Status: IMA Status: Proposed IMA 2009 (Dana # Added)
Help on Locality: Locality: Baita Bihor, Romania Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)

IMA2008-053 Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =9.2358:1:10.7441
Help on Cell Dimensions: Cell Dimensions: a = 37.432, b = 4.0529, c = 43.545, Z = 4; beta = 108.803° V = 6,253.58 Den(Calc)= 8.78
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.867(1), 3.735(0.96), 3.347(0.84),2.027(0.81), 2.956(0.77), 3.464(0.53), 3.507(0.5), 2.925(0.46),

Calculated Properties of IMA2008-053

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.50 gm/cc
note: Specific Gravity of IMA2008-053 =8.78 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEIMA2008-053 =1,285.28 barns/electron
U=PEIMA2008-053 x rElectron Density=9,640.43 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-053 is Not Radioactive

IMA2008-053 Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.05)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.05.01)Dana Group Neyite AgCu3Pb12.5Bi13S34 C 2/m 2/m IMA2008-053! Cu7Pb27Bi25S68 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JB.25i 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
02.JB.25i Neyite AgCu3Pb12.5Bi13S34 C 2/m 2/m
02.JB.25i IMA2008-053! Cu7Pb27Bi25S68 C 2/m 2/m

Other IMA2008-053 Information

Help on See Also: See Also: Links to other databases for IMA2008-053 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Dana No: Strunz No: 02.JB.25i