Maikainite Mineral Data

Maikainite Mineral Data
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General Maikainite Information

Help on Chemical Formula: Chemical Formula: Cu20(Fe,Cu)6Mo2Ge6S32
Help on Composition: Composition: Molecular Weight = 3,296.63 gm
   Vanadium     0.12 %  V
   Zinc         0.56 %  Zn
   Gallium      0.15 %  Ga
   Iron         6.30 %  Fe
   Copper      42.23 %  Cu
   Germanium   10.79 %  Ge
   Molybdenum   5.18 %  Mo
   Arsenic      2.27 %  As
   Tungsten     1.23 %  W
   Sulfur      31.16 %  S
              ______ 
              100.00 % 
Help on Empirical Formula: Empirical Formula: Cu21.91Fe2+3.72Zn0.28Mo1.78W0.22V2+0.08Ge4.9AsGa0.07S32.04
Help on Environment: Environment: In a gold-bearing massive-sulfide base-metal deposit.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Maikain deposit, Kazakhstan and (2) Tsumeb deposit, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA1992-038
 

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Maikainite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 10.64, Z = 1; V = 1,204.55 Den(Calc)= 4.54
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: P 43n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.331(1)(800), 3.07(1)(222), 1.884(0.8)(440),1.603(0.4)(622), 1.22(0.2)(662), 2.66(0.2)(400), 1.19(0.1)(840),
 

Physical Properties of Maikainite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Metallic
 

Optical Properties of Maikainite

Help on RL Anisotrophism: RL Anisotrophism: None.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: Bright yellow to grayish white with no internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Maikainite in Air
λ R  ∑ R(λ) 
 470 nm   23.70   
 546 nm   25.50 
 589 nm   25.70 
 650 nm   25.60 
Calculated Relative Intensity Colors of Maikainite in Air
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360% 370%
R                        
 

Calculated Properties of Maikainite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.24 gm/cc
note: Specific Gravity of Maikainite =4.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEMaikainite = 54.06 barns/electron
U=PEMaikainite x rElectron Density= 228.99 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Maikainite is Not Radioactive
 

Maikainite Classification
Help on Dana Class: Dana Class: 02.09.04.03 (02)Sulfides - Including Selenides and Tellurides
  (02.09)where Am Bn Xp, with (m+n):p=1:1
  (02.09.04)Germanite Group
 
02.09.04.01 Renierite (Cu,Zn)11(Ge,As)2Fe4S16 P 42c- 4 2m
 
02.09.04.02 Germanite Cu26Fe4Ge4S32 P 43n 4 3m
 
02.09.04.03 Maikainite! Cu20(Fe,Cu)6Mo2Ge6S32 P 43n 4 3m
 
02.09.04.04 Ovamboite! Cu20(Fe,Cu,Zn)6W2Ge6S32 P 43n 4 3m
Help on Strunz Class: Strunz Class: 02.CB.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
 
02.CB.30 Colusite Cu12-13V(As,Sb,Sn,Ge)3S16 P 43n 4 3m
 
02.CB.30 Germanite Cu26Fe4Ge4S32 P 43n 4 3m
 
02.CB.30 Germanocolusite Cu13V(Ge,As)3S16 P 43n 4 3m
 
02.CB.30 Nekrasovite Cu26V2(Sn,As,Sb)6S32 P 43n 4 3m
 
02.CB.30 Stibiocolusite Cu13V(Sb,As,Sn)3S16 P 43n 4 3m
 
02.CB.30 Maikainite! Cu20(Fe,Cu)6Mo2Ge6S32 P 43n 4 3m
 
02.CB.30 Ovamboite! Cu20(Fe,Cu,Zn)6W2Ge6S32 P 43n 4 3m
 

Other Maikainite Information
Help on References: References: NAME( CanMin, 42:1247) PHYS. PROP.(CanMin, 42:1247) OPTIC PROP.(CanMin, 42:1247)
Help on See Also: See Also: Links to other databases for Maikainite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Maikainite Specimen Label here :

Maikainite

Cu20(Fe,Cu)6Mo2Ge6S32
Dana No: 02.09.04.03 Strunz No: 02.CB.30
Locality:

 

Notes: