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Hexaferrum

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Hexaferrum
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Hexaferrum
metallisches Aggregat von Hexaferrum, Miass Fluss, Tscheljabinsk, Russland; BB ~ 1 mm, analysiert mittels REM-EDX
Copyright: Joy Desor; Contribution: openpit
Location: Russland/Ural, Föderationskreis/Tscheljabinsk (Chelyabinsk), Oblast/Ilmen-Gebirge/Miass (Miask)
Mineral: Hexaferrum
Image: 1584798803
License: Usage for Mineralienatlas project only
Hexaferrum  E
Analysed with energy dispersive X-ray spectroscopy EDX

metallisches Aggregat von Hexaferrum, Miass Fluss, Tscheljabinsk, Russland; BB 1 mm, analysiert mittels REM-EDX

Copyright: Joy Desor
Contribution: openpit 2020-03-21
Locality: Miass (Miask) / Ilmen-Gebirge / Tscheljabinsk (Chelyabinsk), Oblast / Ural, Föderationskreis / Russland

Collectors Summary

Color stahlgrau
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 6 - 6.5
Cleavages fehlt
Crystal System hexagonal, P63/mmc

Chemism

Chemical formula

(Fe,Os,Ru,Ir)

Empirical formula (analysis)

Fe0.65Ir0.14Os0.08Ru0.08

Chemical composition

Eisen, Iridium, Osmium, Ruthenium

Unit weight: 86.514202 u; Number of atoms in the formula: 0.95

Info

Empirical formula:

Fe0.65Ir0.14Os0.08Ru0.08

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Iron

Fe

41.96

0.65

68.42

55.8452000

36.2993800

Ruthenium

Ru

9.35

0.08

8.42

101.0720000

8.0857600

Osmium

Os

17.59

0.08

8.42

190.2330000

15.2186400

Iridium

Ir

31.11

0.14

14.74

192.2173000

26.9104220

Strunz 9th edition incl. updates

1.AG.05

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
G: PGE(Platin-Gruppen-Elemente)-Metall-Legierungen
05:Hexaferrum-Gruppe

Lapis Classification

I/A.13-015

I: ELEMENTE
A: Metalle und intermetallische Verbindungen
13: Platinmetalle und Platin-Eisen-Verbindungen, Verbindungen mit Zinn/Blei und Verwandte

Classification by Hölzel

1.AF.52

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
F: Fe-Cr-Group
5: hexagonal with additional PGE's

Dana 8th edition

01.02.02.04

01: Native Elements and Alloys
02: Native Elements with platinum group metals and alloys
02: Osmium group (Space Group P63/mmc)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

stahlgrau

Streak color

schwarz

Change in color

weiß in reflektiertem Licht

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Anisotropism

stark, blaugrau zu braungrau

Reflectivity: (Lambda nm) ↓, ↑, Ø

(470) 41.85, 49.70, 45.80
(546) 42.00, 50.75, 46.40
(589) 42.00, 51.60, 48.80
(650) 52.70, 53.10, 52.90

Reflection chart Hexaferrum

Reflectivity Ø

47.96

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell parameters a (Å)

2.591

Cell parameters b (Å)

-

Cell parameters c (Å)

4.168

Cell parameters a/b or c/a

1.609

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volume (ų)

24.232

X-Ray Powder Diffraction

2.246(50),
2.087(60),
1.976(100),
1.528(40),
1.297(60),
1.180(60),
1.100(50),
1.083(30)

XRD chart Hexaferrum

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6 - 6.5

Density (g/cm³)

12.09 (berechnet)

11.856 ( ρ calc. Mineralienatlas )

Cleavages

fehlt

Tenacity

spröde

Preface

Author (Name, Year)

Mochalov & Dmitrenko & Rudashevsky & Zhernovsky & Boldryreva, 1998

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 127 (1998) (5), 41.

American Mineralogist 84 (1999), 1686.

Other languages

French

Hexaferrum

English

Hexaferrum

Spanish

Hexaferrum

German

Hexaferrum

Russian

Гексаферрум

CNMNC (IMA)-Number

IMA 1995-032

CNMNC symbol

Symbol

Hfe

Locations with GPS information

IDs

GUSID (Global unique identifier short form) AsElsBWcTUaFNt4sqQtMPw
GUID (Global unique identifier) B025C102-9C15-464D-8536-DE2CA90B4C3F
Database ID 1587