Majakite Mineral Data

Majakite Mineral Data
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General Majakite Information

Help on Chemical Formula: Chemical Formula: PdNiAs
Help on Composition: Composition: Molecular Weight = 240.03 gm
   Nickel     24.45 %  Ni
   Arsenic    31.21 %  As
   Palladium  44.34 %  Pd
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: PdNiAs
Help on Environment: Environment: Intergrown with chalcopyrite and platinum group metals.
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Najak mine, Talnakh, Norilsk, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Majakite Say MAJAKITE
Help on Synonym: Synonym: Mayakite
 

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Majakite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.18694
Help on Cell Dimensions: Cell Dimensions: a = 6.066, c = 7.2, Z = 6; V = 229.44 Den(Calc)= 10.42
Help on Crystal System: Crystal System: HexagonalSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.988(1), 2.65(1), 2.19(0.7),
Click Here for Large Majakite Structure Window Crystal Structure:

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Evstigneeva T , Kabalov Y , Schneider J , Materials Science Forum , 321 (2000) p.700-705, Crystal structure of PdNiAs, ordered member of isomorphous series Pd2As-Ni2As, Locality: synthetic

 

Physical Properties of Majakite

Help on Color: Color: Gray white.
Help on Density: Density: 9.33
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Metallic
 

Optical Properties of Majakite

Help on RL Anisotrophism: RL Anisotrophism: Weak.
Help on RL Color: RL Color: Grayish white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Majakite in Air
λ R  ∑ R(λ) 
 440 nm   47.40   
 460 nm   49.00 
 480 nm   50.50 
 500 nm   51.20 
 520 nm   52.30 
 540 nm   52.80 
 560 nm   54.40 
 580 nm   55.20 
 600 nm   55.80 
 620 nm   56.10 
 640 nm   56.70 
 660 nm   58.00 
 680 nm   57.90 
 700 nm   58.50 
Calculated Relative Intensity Colors of Majakite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160% 180%
R                    
 

Calculated Properties of Majakite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.29 gm/cc
note: Specific Gravity of Majakite =10.4 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEMajakite = 137.23 barns/electron
U=PEMajakite x rElectron Density=1,274.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Majakite is Not Radioactive
 

Majakite Classification
Help on Dana Class: Dana Class: 02.04.16.01 (02)Sulfides - Including Selenides and Tellurides
  (02.04)where Am Bn Xp, with (m+n):p=2:1
  (02.04.16)Dana Group
 
02.04.16.01 Majakite PdNiAs Unk Hex
 
02.04.16.02 Menshikovite! Pd3Ni2As3 P 63/m,P 63, or P 6322 Hex
Help on Strunz Class: Strunz Class: 02.AC.25e 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.25e Majakite PdNiAs Unk Hex
 

Other Majakite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Majakite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Majakite

PdNiAs
Dana No: 02.04.16.01 Strunz No: 02.AC.25e
Locality:

 

Notes: