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Argutite

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Argutit
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Argutit
derbe braune Massen in Matrix aus körnigem Sphalerit von der Typlokalität; BB = 4,2 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A002869, Donator: Klaus Fleck
Location: Frankreich/Okzitanien (Occitanie), Region/Haute-Garonne, Département/Saint-Gaudens, Arrondissement/Argut-Dessous/Plan d'Argut Lagerstätte
Mineral: Argutite
Image: 1442059318
License: Usage for Mineralienatlas project only
Argutit (SNr: A002869)

derbe braune Massen in Matrix aus körnigem Sphalerit von der Typlokalität; BB = 4,2 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2015-09-12
Locality: Plan d'Argut Lagerstätte / Argut-Dessous / Saint-Gaudens, Arrondissement / Haute-Garonne, Département / Okzitanien (Occitanie), Region / Frankreich

You find additional specimen at the Geolitho Museum

Collectors Summary

Color grauschwarz
Solubility + NaOH, - HF, Säuren
Crystal System tetragonal, P42/mnm

Chemism

Chemical formula

GeO2

Chemical composition

Germanium, Sauerstoff

Unit weight: 104.63986 u; Number of atoms in the formula: 3

Info

Empirical formula:

GeO2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

30.58

2

66.67

15.9994300

31.9988600

Germanium

Ge

69.42

1

33.33

72.6410000

72.6410000

Analysis wt%

GeO2 : 95.82, FeO : 1.20, ZnO : 3.03 (Ref: Tschermaks Mineralogische und Petrographische Mitteilungen 83)

Strunz 9th edition incl. updates

4.DB.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
B: Mit mittelgroßen [Kationen]: Ketten kantenverknüpfter Oktaeder
05:Rutil-Gruppe

Lapis Classification

IV/D.02-045

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)
2: Rutil-Gruppe

Classification by Hölzel

4.DD.120

4: OXIDES
D: Dioxides
D: Rutile-Group
1: Monorutiles

Dana 8th edition

04.04.01.07

04: Oxide Minerals
04: Simple Oxides with a cation charge of 4+ (A++++ O2)
01: Rutile group (Tetragonal: P4/mnm)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

grauschwarz

Diaphaneity (Transparency)

transparent bis opak

max. Birefringence

0.06

Birefringence chart\! Argutite title=Birefringence chart Argutite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.99

RI value γ / ε

2.05

Ri mean

2.010

2V angle

Uniaxial (+)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

136

Space Group

P42/mnm

Cell parameters a (Å)

4.396

Cell parameters b (Å)

-

Cell parameters c (Å)

2.863

Cell parameters a/b or c/a

0.651

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

55.327

X-Ray Powder Diffraction

3.11(100),
2.399(60),
2.199(20),
2.106(10),
1.620(50),
1.555(20),
1.304(20),
1.300(20)

XRD chart Argutite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

6.28 (berechnet)

6.281 ( ρ calc. Mineralienatlas )

Instability

+ NaOH, - HF, Säuren

Preface

Author (Name, Year)

Johan & Oudin & Picot, 1983

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: H302: Gesundheitsschädlich bei Verschlucken., H332: Gesundheitsschädlich bei Einatmen.

References

Tschermaks Mineralogische und Petrographische Mitteilungen 31 (1983), 97

Other languages

German

Argutit

Spanish

Argutita

French

Argutite

English

Argutite

Russian

Аргутит

Japanese

アーグタイト

CNMNC (IMA)-Number

IMA 1980-067

CNMNC symbol

Symbol

Agt

Locations with GPS information

IDs

GUSID (Global unique identifier short form) zBY4PGRC9kqA4_SWaTjOGQ
GUID (Global unique identifier) 3C3816CC-4264-4AF6-80E3-F4966938CE19
Database ID 180