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Argutite

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Argutit
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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

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

Volumne (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

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Rutile

TiO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Argutite

GeO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Pyrolusite

MnO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Tripuhyite

Fe3+Sb5+O4

tetragonal : 4/mmm : P42/mnm

4.DB.05

Cassiterite

SnO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Plattnerite

PbO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

'Strüverite' (Var.v. Rutile)

(Ti,Ta,Fe2+)O2

tetragonal : 4/mmm : P42/mnm

4.DB.05

'Ilmenorutile' (Var.v. Rutile)

(Ti,Nb,Fe2+)O2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Tugarinovite

MoO2

monoklin : 2/m : P21/c

4.DB.05

'Varlamoffite'

(Sn,Fe)(O,OH)2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Rutile

TiO2

tetragonal : 4/mmm : P42/mnm

IV/D.02-010

Pyrolusite

MnO2

tetragonal : 4/mmm : P42/mnm

IV/D.02-020

Cassiterite

SnO2

tetragonal : 4/mmm : P42/mnm

IV/D.02-040

Argutite

GeO2

tetragonal : 4/mmm : P42/mnm

IV/D.02-045

Paratellurite

TeO2

tetragonal : 422 : P43212

IV/D.02-050

Plattnerite

PbO2

tetragonal : 4/mmm : P42/mnm

IV/D.02-060

Tripuhyite

Fe3+Sb5+O4

tetragonal : 4/mmm : P42/mnm

IV/D.02-070

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Rutile

TiO2

tetragonal : 4/mmm : P42/mnm

4.DD.100

'Sagenite' (Var.v. Rutile)

4.DD.105

Argutite

GeO2

tetragonal : 4/mmm : P42/mnm

4.DD.120

Cassiterite

SnO2

tetragonal : 4/mmm : P42/mnm

4.DD.140

'Varlamoffite'

(Sn,Fe)(O,OH)2

tetragonal : 4/mmm : P42/mnm

4.DD.150

Plattnerite

PbO2

tetragonal : 4/mmm : P42/mnm

4.DD.170

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Rutile

TiO2

tetragonal : 4/mmm : P42/mnm

04.04.01.01

Pyrolusite

MnO2

tetragonal : 4/mmm : P42/mnm

04.04.01.04

Cassiterite

SnO2

tetragonal : 4/mmm : P42/mnm

04.04.01.05

Plattnerite

PbO2

tetragonal : 4/mmm : P42/mnm

04.04.01.06

Argutite

GeO2

tetragonal : 4/mmm : P42/mnm

04.04.01.07

Stishovite

SiO2

tetragonal : 4/mmm : P42/mnm

04.04.01.09

Downeyite

SeO2

tetragonal : 4/mmm : P42/mbc

04.04.03.01

Paratellurite

TeO2

tetragonal : 422 : P43212

04.04.03.02

Anatase

TiO2

tetragonal : 4/mmm : I41/amd

04.04.04.01

Brookite

TiO2

orthorhombisch : mmm : Pbca

04.04.05.01

Tellurite

TeO2

orthorhombisch : mmm : Pbca

04.04.06.01

Scrutinyite

alpha-PbO2

orthorhombisch : mmm : Pbcn

04.04.06.02

Ramsdellite

MnO2

orthorhombisch : mmm : Pbnm

04.04.07.01

Nsutite

(gamma-MnO2)Mnx2+Mn1-x4+O2-2x(OH)2x

04.04.08.01

IMA Number

IMA 1980-067

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

German pages

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English pages

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