Majakite Mineral Data + Say MAJAKITE


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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 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),
 

Physical Properties of Majakite

Help on Color: Color: Gray white.
Help on Density: Density: 9.33
Help on Diaphaniety: Diaphaniety: 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:

relectron=9.29 gm/cc
note: rMajakite =10.4 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.10176
Boson Index = 0.89824
Help on Photoelectric: Photoelectric:

PEMajakite = 137.23 barns/electron
U=PEMajakite x relectron=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: 2.4.16.1 (2)Sulfides - Including Selenides and Tellurides
  (2.4)where Am Bn Xp, with (m+n):p=2:1
  (2.4.16)Dana Group
 
2.4.16.1 Majakite PdNiAs Unk Hex
 
2.4.16.2 Menshikovite! Pd3Ni2As3 P 63/m,P 63, or P 6322 Hex
Help on  Strunz Class: Strunz Class: II/A.05-110 II - Sulfides and sulphosalts
  II/A - Alloys and alloylike compounds, with metals of the Platinum series, (Palladium)
  II/A.05 - Atheneite - Genkinite series
 
II/A.05-10 Atheneite (Pd,Hg)3As P 6/mmm 6/m 2/m 2/m
 
II/A.05-20 Vincentite (Pd,Pt)3(As,Sb,Te) Unk Mono
 
II/A.05-30 Stillwaterite Pd8As3 P 3 3
 
II/A.05-40 Arsenopalladinite Pd8(As,Sb)3 P1 1
 
II/A.05-50 Isomertieite Pd11Sb2As2 F d3m 4/m 3 2/m
 
II/A.05-60 Mertieite-I Pd11(Sb,As)4 Unk Hex
 
II/A.05-70 Mertieite-II Pd8(Sb,As)3 R 3c 3m
 
II/A.05-80 Stibiopalladinite Pd5Sb2 P 63mc 6mm
 
II/A.05-90 Palladoarsenide Pd2As P 2/m 2/m
 
II/A.05-100 Palladobismutharsenide Pd2(As,Bi) Pmcn,P 21cn Ortho
 
II/A.05-102 Palladodymite! (Pd,Rh)2As P nma 2/m 2/m 2/m
 
II/A.05-105 Rhodarsenide! (Rh,Pd)2As P nma or Pn2 Ortho
 
II/A.05-110 Majakite PdNiAs Unk Hex
 
II/A.05-112 Menshikovite! Pd3Ni2As3 P 63/m,P 63, or P 6322 Hex
 
II/A.05-115 Polkanovite! Rh12As7 P 63m 6/m
 
II/A.05-120 Genkinite (Pt,Pd)4Sb3 P 41212 4 2 2
 

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 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris

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Majakite

PdNiAs
Dana No: 2.4.16.1 Strunz No: II/A.05-110
Locality:

 

Notes:

 

 
   
 
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