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Menshikovite

Collectors Summary

Color grau
Lustre Metallglanz
Hardness (Mohs) 5
Cleavages keine
Crystal System hexagonal, P63, P63/m, P6322

Chemism

Chem­ical formula

Pd3Ni2As3

Chem­ical com­po­si­tion

Arsen, Nickel, Palladium

Unit weight: 661.414646 u; Number of atoms in the formula: 8

Info

Empirical formula:

Pd3Ni2As3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Nickel

Ni

17.75

2

25.00

58.6934200

117.3868400

Arsenic

As

33.98

3

37.50

74.9216020

224.7648060

Palladium

Pd

48.27

3

37.50

106.4210000

319.2630000

Anal­y­sis wt%

Ø Pd : 48.66, Ni : 17.56, As : 33.73, PLT : 48.66 (Ref: Mineralogical Magazine 2000)

Strunz 9th edi­tion incl. updates

2.AC.

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
A: Legierungen und legierungsartige Verbindungen
C: Verbindungen von Halbmetallen mit Platin-Gruppen-Elementen (PGE)

Lapis Clas­sifica­tion

II/A.05-112

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
A: Legierungen und legierungsartige Verbindungen
5: mit Metallen der Platin-gruppe (v.a. Pd)

Clas­sifica­tion by Hölzel

2.AC.390

2: SULFIDES
A: Alloys of Cu,Ag,Au,Ni,Pd with As,Sb,Bi,(Te)
C: With Pd
3: Stibiopalladinite-Palladoarsenide-Group

Dana 8th edi­tion

02.04.16.02

02: Sulfide Minerals
04: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=2:1

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grau

Change in color

rose in reflektiertem Licht

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Anisotropism

schwach, blassgrau zu braungrau

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 45.30, 47.10, 46.20
(420) 46.20, 48.20, 47.20
(440) 46.70, 49.00, 47.85
(460) 47.80, 49.80, 48.80
(480) 48.90, 50.70, 49.80
(500) 49.80, 51.80, 50.80
(520) 50.20, 52.40, 51.30
(540) 51.00, 53.00, 52.00
(560) 51.60, 53.80, 52.70
(580) 52.60, 54.80, 53.70
(600) 53.90, 56.00, 54.95
(620) 55.00, 57.10, 56.05
(640) 56.20, 58.30, 57.25
(660) 56.90, 59.00, 57.95
(680) 57.20, 59.40, 58.30
(700) 57.40, 59.70, 58.55

Reflection chart Menshikovite

Reflec­tiv­ity Ø

52.71

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6, 6/m, 622

Space Group number

173, 176, 182

Space Group

P63, P63/m, P6322

Cell param­e­ters a (Å)

8.406

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

6.740

Cell param­e­ters a/b or c/a

0.802

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

4

Volumne (ų)

412.448

X-Ray Pow­der Diffrac­tion

2.626(100),
2.477(100),
2.429(80),
2.283(70),
2.150(60),
1.978(70),
1.818(70),
1.781(70)

XRD chart Menshikovite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

Hard­ness (Mohs)

5

VHN (Hard­ness Vick­ers)

517 (50g)

Density (g/cm³)

10.35 (berechnet)

10.651 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Tenac­ity

spröde

Preface

Author (Name, Year)

Barkov & Laajoki & Gervilla & Makovicky, 2000

References

Canadian Mineralogist 40 (2002), 679

Other languages

German

Menshikovit

Spanish

Menshikovita

French

Menshikovite

English

Menshikovite

Russian

Меньшиковит

Traditional Chinese

門砷鎳鈀礦

Simplified Chinese

门砷镍钯矿

CNMNC (IMA)-Number

IMA 1993-057

CNMNC symbol

Symbol

Mnv

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Menshikovit
Google-Bilder-Suche - search for: Menshikovit
Mineralienatlas.de (Forum) - search for: Menshikovit

English pages

Mindat - search for: Menshikovite
Webmineral - search for:Menshikovite
Handbook-of-Mineralogy - search for: Menshikovite
RRUFF - Raman, XRD and other mineral data - search for: Menshikovite
RRUFF - References and PDF downloads - search for: Menshikovite
American-Mineralogist-Crystal-Structure-Database - search for: Menshikovite
Strahlen.org - search for: Menshikovite

Russian pages

Webmineral.ru - search for: Меньшиковит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Menshikovit
Crystal-Treasure.com - search for: Menshikovit
Bosse - search for: Menshikovit
Edelsteine Neuburg - Gundolf Fischer - search for: Menshikovit

Locations with GPS information