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Hexamolybdenum

Collectors Summary

Crystal System hexagonal, P63/mmc

Chemism

Chemical formula

(Mo,Ru,Fe,Ir,Os)

Chemical composition

Eisen, Iridium, Molybdän, Osmium, Ruthenium

Unit weight: 102.743135 u; Number of atoms in the formula: 1

Info

Empirical formula:

(Mo0.55Ru0.25Fe0.1Ir0.05Os0.05)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Iron

Fe

5.44

0.1

10.00

55.8452000

5.5845200
Molybdenum

Mo

51.36

0.55

55.00

95.9420000

52.7681000
Ruthenium

Ru

24.59

0.25

25.00

101.0720000

25.2680000
Osmium

Os

9.26

0.05

5.00

190.2330000

9.5116500
Iridium

Ir

9.35

0.05

5.00

192.2173000

9.6108650

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.13-012

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

Classification by Hölzel

1.AF.500

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

IMA status

anerkannt Okt/2007

Mineral status

anerkanntes Mineral

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell parameters a (Å)

2.751

Cell parameters b (Å)

-

Cell parameters c (Å)

4.432

Cell parameters a/b or c/a

1.611

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volumne (ų)

29.048

X-Ray Powder Diffraction

2.382(24), 2.216(26), 2.098(100), 1.622(15), 1.375(17), 1.255(18), 1.169(20), 1.150(14)
XRD chart Hexamolybdenum

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

Crystals 3D

Open larger view

Physical Properties

Density (g/cm³)

11.90 (berechnet)

11.746 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Mexiko/Chihuahua/Allende, Municipio/Pueblito de Allende/Allende Meteorit

Preface

Name from

Der Name Hexamolybdän bezieht sich auf die Symmetrie (primitiv hexagonal) und Zusammensetzung (Mo-Reich).

Author (Name, Year)

Chi Ma, 2007

References

Ma, C., J.R.Beckett & G.R.Rossman - Allendeite and hexamolybdenum: two new ultra-refractory minerals in Allende and two missing links. 40th Lunar and Planetary Science Conference and Abstracts, 1402 (2009)

Ma, C., Beckett, J.R., Rossman, G.R. - Allendeite (Sc4Zr3O12) and hexamolybdenum (Mo,Ru,Fe), two new minerals from an ultrarefractory inclusion from the Allende meteorite. American Mineralogist, 99 (2014), 654-666

Other languages

English

Hexamolybdenum

German

Hexamolybdän

Russian

Гексамолибден

Simplified Chinese

六方钼

CNMNC (IMA)-Number

IMA 2007-029

CNMNC symbol

Symbol

Hmo

Locations with GPS information