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Argutite Mineral Data
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General Argutite Information
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 Chemical Formula: |
GeO2 |
| Composition: |
Molecular Weight = 104.61 gm |
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Germanium 69.41 % Ge 100.00 % GeO2 |
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Oxygen 30.59 % O |
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______ ______ |
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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 |
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PDF 35-729 |
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Argutite Image |
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Images:
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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 |
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Argutite Crystallography
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| 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 Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnm |
| X Ray Diffraction: |
By Intensity(I/Io): 3.11(1), 2.4(0.6), 1.62(0.5), |
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Physical Properties of Argutite
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| Color: |
Grayish black. |
| Diaphaneity: |
Transparent to Opaque |
| Luster: |
Vitreous - Adamantine |
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Optical Properties of Argutite
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| 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 |
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∑ R(λ) |
| 400 nm |
14.80 |
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| 420 nm |
13.70 |
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| 440 nm |
12.60 |
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| 460 nm |
11.60 |
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| 480 nm |
11.20 |
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| 500 nm |
11.00 |
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| 520 nm |
11.00 |
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| 540 nm |
11.00 |
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| 560 nm |
11.00 |
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| 580 nm |
10.90 |
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| 600 nm |
10.90 |
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| 620 nm |
10.90 |
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| 640 nm |
10.90 |
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| 660 nm |
10.90 |
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| 680 nm |
11.00 |
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| 700 nm |
11.00 |
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Calculated Relative Intensity Colors of Argutite in Air
Relative
Intensity |
0% |
80% |
100% |
160% |
240% |
320% |
400% |
480% |
560% |
640% |
720% |
800% |
| R |
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Calculated Properties of Argutite
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| Electron Density: |
Bulk Density (Electron Density)=5.76 gm/cc
note: Specific Gravity of Argutite =6.28 gm/cc.
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| Fermion Index: |
Fermion Index = 0.05
Boson Index = 0.95 |
| Photoelectric: |
PEArgutite = 43.84 barns/electron
U=PEArgutite x rElectron Density= 252.65 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Argutite is Not Radioactive |
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Argutite Classification
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| Dana Class: |
04.04.01.07 (04)Simple Oxides |
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(04.04)with a cation charge of 4+ (A++++ O2) |
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(04.04.01)Rutile group (Tetragonal: P4/mnm) |
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04.04.01.01 Rutile TiO2 P 4/mnm 4/m 2/m 2/m |
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04.04.01.02 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m |
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04.04.01.03 Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m |
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04.04.01.04 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m |
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04.04.01.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m |
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04.04.01.06 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m |
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04.04.01.07 Argutite GeO2 P 4/mnm 4/m 2/m 2/m |
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04.04.01.08 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m |
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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 |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DB -With medium-sized cations; chains of edge-sharing octahedra |
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04.DB.05 Argutite GeO2 P 4/mnm 4/m 2/m 2/m |
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04.DB.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m |
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04.DB.05 Rutile TiO2 P 4/mnm 4/m 2/m 2/m |
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04.DB.05 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m |
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04.DB.05 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m |
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04.DB.05 Varlamoffite* (Sn,Fe)(O,OH)2 P 41/mnm 4/m 2/m 2/m |
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04.DB.05 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m |
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04.DB.05 Tugarinovite MoO2 P 21/n 2/m |
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04.DB.05 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m |
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Other Argutite Information
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| 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 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Argutite
GeO2
Dana No: 04.04.01.07 Strunz No: 04.DB.05
Locality:
Notes:
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