Mineralogy Database

Emplectite Mineral Data

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General Emplectite Information

Help on Chemical  Formula: Chemical Formula: CuBiS2
Help on Composition: Composition: Molecular Weight = 336.66 gm
   Copper   18.88 %  Cu
   Bismuth  62.07 %  Bi
   Sulfur   19.05 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: CuBiS2
Help on Environment: Environment: In hydrothermal veins with other sulfides and sulfosalts formed at moderate temperatures.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1853
Help on Locality: Locality: Czechoslovakia at Schlaggenwald, Bohemia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek emplektos, "interwoven."
Help on Name Pronunciation: Name Pronunciation: Emplectite + Pronunciation Say EMPLECTITE
Help on Synonym: Synonym: ICSD 34936
  Klaprothite - mixture with wittichenite
  PDF 43-1473
 

Emplectite Image

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  Emplectite

Comments: Metallic emplectite wire in quartz.
Location: Schwarzenberg, Saxony, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Emplectite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.4228:1:0.2698
Help on Cell Dimensions: Cell Dimensions: a = 6.1413, b = 14.524, c = 3.9191, Z = 4; V = 349.57 Den(Calc)= 6.40
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.05(1), 3.23(0.9), 3.13(0.7),
Help on Forms: Forms:

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Help on Above

Forms: ( 0 1 1) ( 0 1 0) ( 0 1 3) ( 1 0 0) ( 1 1 0)

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Physical Properties of Emplectite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Gray, Grayish yellow, Silver white, Tin white.
Help on Density: Density: 6.3 - 6.5, Average = 6.4
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: black
 

Optical Properties of Emplectite

Help on RL Color: RL Color: Light yellow.
Help on RL Pleochroism: RL Pleochroism: Very low.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Emplectite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   28.70   31.10 
   
 420 nm   30.00   32.20 
 440 nm   31.30   33.30 
 460 nm   32.40   34.40 
 480 nm   33.40   35.40 
 500 nm   34.40   36.20 
 520 nm   35.20   37.00 
 540 nm   35.90   37.50 
 560 nm   36.50   38.00 
 580 nm   37.00   38.30 
 600 nm   37.50   38.60 
 620 nm   37.90   38.80 
 640 nm   38.10   38.80 
 660 nm   38.20   38.70 
 680 nm   38.20   38.50 
 700 nm   38.00   38.00 
Calculated Relative Intensity Colors of Emplectite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270% 280%
R1                        
R2                        
 

Calculated Properties of Emplectite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.47 gm/cc
note: Specific Gravity of Emplectite =6.40 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.001429339
Boson Index = 0.998570661
Help on Photoelectric: Photoelectric: PEEmplectite =1,178.18 barns/electron
U=PEEmplectite x rElectron Density=6,450.50 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Emplectite is Not Radioactive
 

Emplectite Classification

Help on  Dana Class: Dana Class: 03.07.05.02 (03)Sulfides - Sulfosalts
  (03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.07.05)Dana Group
 
03.07.05.01 Chalcostibite CuSbS2 Pnam 2/m 2/m 2/m
 
03.07.05.02 Emplectite CuBiS2 Pnam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.HA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HA -With Cu, Ag, Fe (without Pb)
 
02.HA.05 Emplectite CuBiS2 Pnam 2/m 2/m 2/m
 
02.HA.05 Chalcostibite CuSbS2 Pnam 2/m 2/m 2/m
 

Other Emplectite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Emplectite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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Emplectite

CuBiS2
Dana No: 03.07.05.02 Strunz No: 02.HA.05
Locality:

 

Notes:

 

 
   
 


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