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Roaldite

Collectors Summary

Color weiß-met.
Hardness (Mohs) 5.50 - 6.00
Crystal System kubisch, Pm3m

Chemism

Chem­ical formula

Fe4N

Chem­ical com­po­si­tion

Eisen, Stickstoff

Unit weight: 237.38752 u; Number of atoms in the formula: 5

Info

Empirical formula:

Fe4N

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Nitrogen

N

5.90

1

20.00

14.0067200

14.0067200

Iron

Fe

94.10

4

80.00

55.8452000

223.3808000

Strunz 9th edi­tion incl. updates

1.BC.05

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
B: Metallische Kohlenstoffverbindungen (Carbide), Strickstoffverbindungen (Nitride) und Phosphorverbindungen (Phosphide)
C: Nitride
05:Roaldit-Siderazot-Gruppe

Lapis Clas­sifica­tion

I/A.10-030

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

Clas­sifica­tion by Hölzel

1.BC.110

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

Dana 8th edi­tion

01.01.18.02

01: Native Elements and Alloys
01: Native Elements with metallic elements other than the platinum group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

weiß-met.

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

221

Space Group

Pm3m

Cell param­e­ters a (Å)

3.79

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

1

Volumne (ų)

54.44

X-Ray Pow­der Diffrac­tion

2.684(20),
2.191(100),
1.897(70),
1.697(20),
1.342(60),
1.144(80),
1.095(40),
0.949(40)

XRD chart Roaldite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.50 - 6.00

VHN (Hard­ness Vick­ers)

750

Density (g/cm³)

7.24 (berechnet)

7.24 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Australien/Western Australia/Avon/Youndegin-Meteorit

Preface

Author (Name, Year)

Buchwald & Nielsen, 1981

References

Lunar and Planetary Sciences 12 (1981), 112

Other languages

German

Roaldit

Spanish

Roaldita

French

Roaldite

English

Roaldite

Simplified Chinese

陨氮镍铁矿

Alternative Name

Simplified Chinese

罗氮铁矿

CNMNC (IMA)-Number

IMA 1980-079

CNMNC symbol

Symbol

Roa

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

German pages

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

English pages

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

Mineral Dealer

German pages

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

Locations with GPS information