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Tetrataenite

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Tetrataenit
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Tetrataenit

Größe: 2,7 x 2 x 2 cm, Fundort: Nuevo Mercurio Meteorit, Zacatecas, Mexiko
Copyright: Rob Lavinsky
Contribution: thdun5 2011-04-15
Locality: Nuevo Mercurio Meteorit / Zacatecas / Mexiko

Collectors Summary

Color grauweiß-met.
Streak color grau-met.
Lustre Metallglanz
Hardness (Mohs) 3.5
Solubility +++ HCl
Crystal System monoklin, Pm

Chemism

Chem­ical formula

FeNi

Chem­ical com­po­si­tion

Eisen, Nickel

Unit weight: 114.53862 u; Number of atoms in the formula: 2

Info

Empirical formula:

FeNi

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Iron

Fe

48.76

1

50.00

55.8452000

55.8452000
Nickel

Ni

51.24

1

50.00

58.6934200

58.6934200

Anal­y­sis wt%

Ø Ni : 51.00, Fe : 49.00 (Ref: American Mineralogist 80)

Strunz 9th edi­tion incl. updates

1.AE.10

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
E: Eisen-Chrom-Familie
10:Taenit-Gruppe

Lapis Clas­sifica­tion

I/A.08-030

I: ELEMENTE
A: Metalle und intermetallische Verbindungen

Clas­sifica­tion by Hölzel

1.AF.300

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
F: Fe-Cr-Group
3: tetragonal

Hey's Chem­ical Index of Min­er­als

01.64

01: Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Dana 8th edi­tion

01.01.11.03

01: Native Elements and Alloys
01: Native Elements with metallic elements other than the platinum group
11: Iron-Nickel group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grauweiß-met.

Streak color

grau-met.

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

m

Space Group number

6

Space Group

Pm

Cell param­e­ters a (Å)

3.581

Cell param­e­ters b (Å)

3.582

Cell param­e­ters c (Å)

3.587

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

1.001

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

46.011

X-Ray Pow­der Diffrac­tion

4.239(6),
3.340(10),
2.879(8),
2.526(8),
2.279(1),
2.187(1),
2.070(1),
1.784(1)
XRD chart Tetrataenite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

185 (25g)

Density (g/cm³)

8.27 (berechnet)

8.267 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl

(Co-)Type locality

(Co-)Type locality

USA/Iowa/Emmet Co./Estherville Meteorit

Preface

Author (Name, Year)

Clarke & Scott, 1980

References

American Mineralogist 51 (1966), 37.

American Mineralogist 65 (1980), 624.

Nature: 273: 453-454.

Mineralogical Magazine 58 (1994), 215.

Zeitschrift für Kristallographie 210 (1995), 14.

Strunz Mineralogical Tables 9. Edition (2001), 41.

Other languages

German

Tetrataenit

English

Tetrataenite

French

Tetrataenite

Spanish

Tetratenita

Simplified Chinese

四方镍纹石

Alternative Name

Spanish

Tetrataenita

CNMNC (IMA)-Number

IMA 1979-076

CNMNC symbol

Symbol

Ttae

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

German pages

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English pages

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Mineral Dealer

German pages

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