Majakite Mineral Data (original) (raw)

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

RelativeIntensity 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 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Ask about Majakite here :
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Print or Cut-and-Paste your Majakite Specimen Label here :

Majakite

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

Notes: