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Melliniite (Меллиниит)

Collectors Summary

Hardness (Mohs) 5.25
Cleavages keine
Fracture uneben
Crystal System kubisch, P213

Chemism

Chem­ical formula

(Ni,Fe)4P

Chem­ical com­po­si­tion

Eisen, Nickel, Phosphor

Unit weight: 262.8992212 u; Number of atoms in the formula: 5

Info

Empirical formula:

(Ni0.75Fe0.25)4P

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Phosphorus

P

11.78

1

20.00

30.9737612

30.9737612

Iron

Fe

21.24

1

20.00

55.8452000

55.8452000

Nickel

Ni

66.98

3

60.00

58.6934200

176.0802600

Anal­y­sis wt%

Fe : 34.90, Ni : 51.40, P : 12.40 (Ref: American Mineralogist 2006)

Strunz 9th edi­tion incl. updates

1.BD.20

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
B: Metallische Kohlenstoffverbindungen (Carbide), Strickstoffverbindungen (Nitride) und Phosphorverbindungen (Phosphide)
D: Phosphide
20:Melliniit-Gruppe

Lapis Clas­sifica­tion

I/A.11-040

I: ELEMENTE
A: Metalle und intermetallische Verbindungen
11: Carbide, Nitride, Phosphide und Silicide (metallartige Verbindungen)

Clas­sifica­tion by Hölzel

1.BD.100

1: ELEMENTS
B: Carbides, Silicides, Phosphides, Nitrides
D: Phosphides

IMA sta­tus

anerkannt 2005

Min­eral sta­tus

anerkanntes Mineral

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

23

Space Group number

198

Space Group

P213

Cell param­e­ters a (Å)

6.025

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

218.711

X-Ray Pow­der Diffrac­tion

2.694(15), 2.005(100), 1.906(60), 1.816(20), 1.420(10), 1.348(10), 1.182(15), 1.119(15)

XRD chart Melliniite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.25

VHN (Hard­ness Vick­ers)

447 (500g)

Density (g/cm³)

7.88 (berechnet)

7.984 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

uneben

Tenac­ity

spröde

Preface

Author (Name, Year)

Pratesi & Bindi & Moggi-Cecchi, 2006

References

Moggi-Cecchi, V., Bindi, L., Pratesi, G.: "A new iron-nickel phosphide from the Northwest Africa 1054 Meteorite", 68th Annual Meteoritical Society Meeting, 5308 (2005);

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Melliniite

(Ni,Fe)4P

kubisch : 23 : P213

1.BD.20

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Florenskyite

Fe(Ti,Ni)P

orthorhombisch : mmm : Pnma

I/A.11-005

Andreyivanovite

FeCrP

orthorhombisch : mmm : Pnma

I/A.11-007

Barringerite

(Fe,Ni)2P

hexagonal : 6m2 : P62m

I/A.11-010

Monipite

MoNiP

hexagonal : 6m2 : P62m

I/A.11-012

Allabogdanite

(Fe,Ni)2P

orthorhombisch : mmm : Pnma

I/A.11-015

Schreibersite

(Fe,Ni)3P

tetragonal : 4 : I4

I/A.11-020

Nickelphosphide

(Ni,Fe)3P

tetragonal : 4 : I4

I/A.11-030

Melliniite

(Ni,Fe)4P

kubisch : 23 : P213

I/A.11-040

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Melliniite

(Ni,Fe)4P

kubisch : 23 : P213

1.BD.100

Schreibersite

(Fe,Ni)3P

tetragonal : 4 : I4

1.BD.110

Nickelphosphide

(Ni,Fe)3P

tetragonal : 4 : I4

1.BD.120

Barringerite

(Fe,Ni)2P

hexagonal : 6m2 : P62m

1.BD.130

Monipite

MoNiP

hexagonal : 6m2 : P62m

1.BD.140

Florenskyite

Fe(Ti,Ni)P

orthorhombisch : mmm : Pnma

1.BD.160

Andreyivanovite

FeCrP

orthorhombisch : mmm : Pnma

1.BD.165

Other languages

German

Melliniit

English

Melliniite

Russian

Меллиниит

IMA Number

IMA 2005-027

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

German pages

DeWikiPedia - search for: Melliniit
Google-Bilder-Suche - search for: Melliniit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Melliniit

English pages

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

Russian pages

Webmineral.ru - search for: Меллиниит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Melliniit
Crystal-Treasure.com - search for: Melliniit
Bosse - search for: Melliniit

Locations with GPS information




Notice: "Undefined variable: ub"