IMA2008-053 Mineral Data

General IMA2008-053 Information

Chemical Formula:

Cu7Pb27Bi25S68

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 %

Empirical Formula:

Cu₇Pb₂Bi₂₅S₆₈

Environment:

Cu end-member of a solid solution series with neyite

IMA Status:

Proposed IMA 2009 (Dana # Added)

Locality:

Baita Bihor, Romania Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2008-053 Crystallography

Axial Ratios:

a:b:c =9.2358:1:10.7441

Cell Dimensions:

a = 37.432, b = 4.0529, c = 43.545, Z = 4; beta = 108.803° V = 6,253.58 Den(Calc)= 8.78

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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

Electron Density:

Bulk Density (Electron Density)=7.50 gm/cc
note: Specific Gravity of IMA2008-053 =8.78 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_IMA2008-053=1,285.28 barns/electron
U=PE_IMA2008-053 x rElectron Density=9,640.43 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-053 is Not Radioactive

IMA2008-053 Classification

Dana Class:

03.05.01.02 (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

03.05.01.01 Neyite AgCu3Pb12.5Bi13S34 C 2/m 2/m

03.05.01.02 IMA2008-053! Cu7Pb27Bi25S68 C 2/m 2/m

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

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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Print or Cut-and-Paste your IMA2008-053 Specimen Label here :

IMA2008-053

Cu7Pb27Bi25S68
Dana No: 03.05.01.02 Strunz No: 02.JB.25i
Locality:

Notes: