Argutite Mineral Data

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General Argutite Information

Chemical Formula:

GeO2

Composition:

Molecular Weight = 104.61 gm

Germanium 69.41 % Ge 100.00 % GeO₂

Oxygen 30.59 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

GeO₂

Environment:

In a zinc deposit formed in metamorphosed lower Paleozoic sediments.

IMA Status:

Approved IMA 1983

Locality:

From the Argut deposit, central Pyrenees, Haute-Garonne, France. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Argutite

Synonym:

ICSD 9162

PDF 35-729

Argutite Image

Images:

Argutite

Comments: Sub microscopic grains of argutite invisible to the eye within sphalerite.
Location: Rimbatz, Argut-Dessus, Haute-Garonne, Midi-Pyrénées, France. Scale: Thumbnail 2.5 x 2 x 1.5 cm.
© Tom Loomis / Dakota Matrix

Argutite Crystallography

Axial Ratios:

a:c = 1:0.65113

Cell Dimensions:

a = 4.3963, c = 2.8626, Z = 2; V = 55.33 Den(Calc)= 6.28

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnm

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.11(1), 2.4(0.6), 1.62(0.5),

Crystal Structure:

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Haines J , Leger J M , Chateau C , Pereira A S , Physics and Chemistry of Minerals , 27 (2000) p.575-582, Structural evolution of rutile-type and CaCl2-type germanium dioxide, at high pressure, Sample: rutile-type, P = 0 GPa

View Additional jPOWD Structure files for Argutite
[1] [10] [11] [2] [3] [4] [5] [6] [7] [8] [9]

Physical Properties of Argutite

Color:

Grayish black.

Diaphaneity:

Transparent to Opaque

Luster:

Vitreous - Adamantine

Optical Properties of Argutite

Gladstone-Dale:

CI calc= 0.037 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1608,KC= 0.167
Ncalc = 2.05

Optical Data:

Uniaxial (+), w=2.01, e=2.01, bire=0.0000.

RL Anisotrophism:

Distinct.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Argutite in Air**
λ	R	∑ R(λ)
400 nm	14.80
420 nm	13.70
440 nm	12.60
460 nm	11.60
480 nm	11.20
500 nm	11.00
520 nm	11.00
540 nm	11.00
560 nm	11.00
580 nm	10.90
600 nm	10.90
620 nm	10.90
640 nm	10.90
660 nm	10.90
680 nm	11.00
700 nm	11.00

**Calculated Relative Intensity Colors of Argutite in Air**
Relative Intensity	0%	80%	100%	160%	240%	320%	400%	480%	560%	640%	720%	800%
R

Calculated Properties of Argutite

Electron Density:

Bulk Density (Electron Density)=5.76 gm/cc
note: Specific Gravity of Argutite =6.28 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_Argutite= 43.84 barns/electron
U=PE_Argutite x rElectron Density= 252.65 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Argutite is Not Radioactive

Argutite Classification

Dana Class:

04.04.01.07 (04)Simple Oxides

(04.04)with a cation charge of 4+ (A++++ O2)

(04.04.01)Rutile group (Tetragonal: P4/mnm)

04.04.01.01 Rutile TiO2 P 4/mnm 4/m 2/m 2/m

04.04.01.02 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m

04.04.01.03 Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m

04.04.01.04 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m

04.04.01.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m

04.04.01.06 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m

04.04.01.07 Argutite GeO2 P 4/mnm 4/m 2/m 2/m

04.04.01.08 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m

04.04.01.09 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m

Strunz Class:

04.DB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DB -With medium-sized cations; chains of edge-sharing octahedra

04.DB.05 Argutite GeO2 P 4/mnm 4/m 2/m 2/m

04.DB.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m

04.DB.05 Rutile TiO2 P 4/mnm 4/m 2/m 2/m

04.DB.05 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m

04.DB.05 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m

04.DB.05 Varlamoffite* (Sn,Fe)(O,OH)2 P 4₁/mnm 4/m 2/m 2/m

04.DB.05 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m

04.DB.05 Tugarinovite MoO2 P 2₁/n 2/m

04.DB.05 Tripuhyite FeSbO4 P 4₁/mnm 4/m 2/m 2/m

Other Argutite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Argutite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Argutite Specimen Label here :

Argutite

GeO2
Dana No: 04.04.01.07 Strunz No: 04.DB.05
Locality:

Notes: