Mineralogy Database

Menshikovite Mineral Data

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General Menshikovite Information

Help on Chemical  Formula: Chemical Formula: Pd3Ni2As3
Help on Composition: Composition: Molecular Weight = 661.40 gm
   Nickel     17.75 %  Ni
   Arsenic    33.98 %  As
   Palladium  48.27 %  Pd
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd3Ni2As3
Help on Environment: Environment: Associated with other PGM at the type locality.
Help on IMA Status: IMA Status: Approved IMA 2000 (Dana # Added)
Help on Locality: Locality: Lukkulaisvaara layered intrusion, Karelia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Yurii P. Men'shikov (1934-) of the Geological Institute of the Kola Science Center, Apatity, Russia.
Help on Synonym: Synonym: IMA1993-057

Menshikovite Image

Click Here for Larger   Image in a New Browser Window Images:
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  Paolovite   Menshikovite

Comments: BSE image showing menshikovite (mnv), paolovite (plv), isomertieite (ism), cobaltite (cob), and chalcopyrite (ccp) with quartz (qtz) and a Fe-rich aluminosilicate (sil).
Location: Lower (exo)-contact of the Chiney intrusion in Siberia. (CanMin, v40:679). Scale: See Image.
© Canadian Mineralogist

Menshikovite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.8018
Help on Cell Dimensions: Cell Dimensions: a = 8.406, c = 6.74, Z = 4; V = 412.45 Den(Calc)= 10.65
Help on Crystal System: Crystal System: Hexagonal Space Group: P 63/m,P 63, or P 6322
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.477(1)(202), 2.626(1)(112), 2.429(0.8)(300),1.818(0.7)(400), 1.978(0.7)(113), 1.781(0.7)(222), 2.283(0.7)(301),

Physical Properties of Menshikovite

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: gray

Optical Properties of Menshikovite

Help on RL Anisotrophism: RL Anisotrophism: Weak mosaic-like, light gray to brownish gray.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: Pink with slight grayish tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Menshikovite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   48.40   50.20 
 546 nm   51.20   53.20 
 589 nm   53.20   55.30 
 650 nm   56.60   58.70 
Standardized Intensity (100%) Reflection Spectra of Menshikovite in Oil
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   38.50   39.30 
 546 nm   41.00   41.80 
 589 nm   42.30   43.30 
 650 nm   46.60   47.80 
Calculated Relative Intensity Colors of Menshikovite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%
Calculated Relative Intensity Colors of Menshikovite in Oil
   0%   30%   60%   90% 100% 120% 150% 180% 210% 230%

Calculated Properties of Menshikovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.44 gm/cc
note: Specific Gravity of Menshikovite =10.7 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEMenshikovite = 146.48 barns/electron
U=PEMenshikovite x rElectron Density=1,382.12 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Menshikovite is Not Radioactive

Menshikovite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.04)where Am Bn Xp, with (m+n):p=2:1
  (02.04.16)Dana Group Majakite PdNiAs Unk Hex Menshikovite! Pd3Ni2As3 P 63/m,P 63, or P 6322 Hex
Help on  Strunz Class: Strunz Class: 02.AC.20c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.A - Simple Sulfides, Selenides, etc
  02.AC -Alloys of metalloids with PGE
02.AC.20c Menshikovite! Pd3Ni2As3 P 63/m,P 63, or P 6322 Hex

Other Menshikovite Information

Help on References: References: NAME( AmMin, v 88, p 477) PHYS. PROP.(AmMin, v 86, p 939 and v 88, p 477) OPTIC PROP.(AmMin, v 88, p 477)
Help on See Also: See Also: Links to other databases for Menshikovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 02.AC.20c





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