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Argutite

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Formula:
GeO2
System:
Tetragonal
Hardness:
6 - 7
Member of:
Name:
Named after the type locality.

Classification of Argutite

Approved
4.DB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
4.4.1.7

4 : SIMPLE OXIDES
4 : AX2
7.11.14

7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb

Physical Properties of Argutite

Diaphaneity (Transparency):
Translucent
Hardness (Mohs):
6 - 7
Density:
6.28 g/cm3 (Calculated)

Optical Data of Argutite

Type:
Uniaxial
Anisotropism:
Distinct
Reflectivity:
400 nmR=14.8%
420 nmR=13.7%
440 nmR=12.6%
460 nmR=11.6%
480 nmR=11.2%
500 nmR=11.0%
520 nmR=11.0%
540 nmR=11.0%
560 nmR=11.0%
580 nmR=10.9%
600 nmR=10.9%
620 nmR=10.9%
640 nmR=10.9%
660 nmR=10.9%
680 nmR=11.0%
700 nmR=11.0%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 14.8%.
Colour in reflected light:
Light grey
Comments:
The optical properties are very close to those of cassiterite.

Chemical Properties of Argutite

Formula:
GeO2
Elements listed in formula:
Analytical Data:
Averages of seven electron microprobe analyses of material from the type locality
GeO2 (95.82)
MnO2 (0.17)
FeO (1.20)
ZnO (3.03)

sum 100.22 wt.-%
Common Impurities:
Zn,Mn,Fe

Crystallography of Argutite

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P42/mnm
Cell Parameters:
a = 4.3975Å, c = 2.8625Å
Ratio:
a:c = 1 : 0.651
Unit Cell Volume:
V 55.36 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals are showing {111}, {100} and {101}
Twinning:
Occasionally, on {101}
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.11 (100)
2.399 (60)
1.620 (50)
1.3045 (20)
1.5546 (18)
1.3004 (18)
2.199 (16)
Comments:
Recorded on material from the type locality

Type Occurrence of Argutite

General Appearance of Type Material:
Subhedral crystals to 20 µm, included in sphalerite
Geological Setting of Type Material:
In a zinc deposit formed in metamorphosed lower Paleozoic sediments
Empirical Formula:
(Ge0.94Zn0.04Fe0.02)=1.00O1.94
Associated Minerals at Type Locality:

Relationship of Argutite to other Species

Member of:
Other Members of Group:
4.DB.05CassiteriteSnO2
4.DB.05PlattneritePbO2
4.DB.05PyrolusiteMnO2
4.DB.05RutileTiO2
4.DB.05TripuhyiteFe3+Sb5+O4
4.DB.05TugarinoviteMoO2
4.DB.05Varlamoffite(Sn,Fe)(O,OH)2
4.DB.10ByströmiteMgSb25+O6
4.DB.10Tapiolite-(Fe)Fe2+Ta2O6
4.DB.10Tapiolite-(Mn)Mn2+Ta2O6
4.DB.10OrdoñeziteZnSb25+O6
4.DB.15bAkhtenskiteMnO2
4.DB.15cNsutiteMnx2+Mn4+1-xO2-2x(OH)2x
4.DB.15aParamontroseiteVO2
4.DB.15aRamsdelliteMn4+O2
4.DB.20ScrutinyitePbO2
4.DB.25Ishikawaite(U,Fe,Y)NbO4
4.DB.25Ixiolite(Ta,Mn,Nb)O2
4.DB.25Samarskite-(Y)(Y,Ce,U,Fe,Nb)(Nb,Ta,Ti)O4
4.DB.25SrilankiteTi2ZrO6
4.DB.25Yttrocolumbite-(Y)(Y,U,Fe2+)(Nb,Ta)O4
4.DB.25Calciosamarskite(Ca,Fe,Y)(Nb,Ta,Ti)O4
4.DB.25Samarskite-(Yb)YbNbO4
4.DB.30FerberiteFe2+WO4
4.DB.30HübneriteMn2+WO4
4.DB.30SanmartiniteZnWO4
4.DB.30KrasnoselskiteCoWO4
4.DB.30HeftetjerniteScTaO4
4.DB.30HuanzalaiteMgWO4
4.DB.35Columbite-(Fe)Fe2+Nb2O6
4.DB.35Tantalite-(Fe)Fe2+Ta2O6
4.DB.35Columbite-(Mn)Mn2+Nb2O6
4.DB.35Tantalite-(Mn)Mn2+Ta2O6
4.DB.35Columbite-(Mg)MgNb2O6
4.DB.35QitianlingiteFe22+Nb2W6+O10
4.DB.35Magnocolumbite(Mg,Fe,Mn)(Nb,Ta)2O6
4.DB.35Tantalite-(Mg)MgTa2O6
4.DB.40FerrowodginiteFe2+Sn4+Ta2O8
4.DB.40LithiotantiteLiTa3O8
4.DB.40LithiowodginiteLiTa3O8
4.DB.40TitanowodginiteMn2+TiTa2O8
4.DB.40WodginiteMn2+Sn4+Ta2O8
4.DB.40FerrotitanowodginiteFe2+TiTa2O8
4.DB.40WolframowodginiteMn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8
4.DB.45TivaniteTiV3+O3(OH)
4.DB.50Carmichaelite(Ti,Cr,Fe)(O,OH)2
4.DB.55AlumotantiteAlTaO4
4.DB.60BiehliteSb23+MoO6
7.11.1RomarchiteSnO
7.11.2CassiteriteSnO2
7.11.4SchoenfliesiteMgSn(OH)6
7.11.5BurtiteCaSn4+(OH)6
7.11.6VismirnoviteZnSn(OH)6
7.11.7WickmaniteMn2+Sn4+(OH)6
7.11.8TetrawickmaniteMn2+Sn4+(OH)6
7.11.9Jeanbandyite(Fe3+,Mn2+)Sn4+(OH,O)6
7.11.10NataniteFe2+Sn4+(OH)6
7.11.11MushistoniteCu2+Sn4+(OH)6
7.11.12Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)
7.11.13Magnesionigerite
7.11.15BrunogeieriteFe22+Ge4+O4
7.11.16StottiteFe2+Ge4+(OH)6
7.11.17CarboiriteFe2+Al2GeO5(OH)2
7.11.18OtjisumeitePbGe4O9
7.11.19BartelkeitePbFeGe(Ge2O7)(OH)2 · H2O
7.11.20MassicotPbO
7.11.21LithargePbO
7.11.22MiniumPb22+Pb4+O4
7.11.23PlattneritePbO2
7.11.24ScrutinyitePbO2
7.11.25MurdochiteCu12Pb2O15Cl2
7.11.26MacedonitePbTiO3
7.11.27CesàrolitePbMn34+O6(OH)2
7.11.28CoronaditePb(Mn64+Mn23+)O16
7.11.29QuenselitePbMn3+O2(OH)
7.11.30PlumboferritePb2(Fe3+,Mn2+,Mg)11O19
7.11.31MagnetoplumbitePbFe123+O19
7.11.32SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38

Other Names for Argutite

Name in Other Languages:
German:Argutit
Spanish:Argutita

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Argutite

Reference List:
Baur, W.H. (1956) Über die Verfeinerung der Kristallstrukturbestimmung einiger Vertreter des Rutiltyps: TiO2, SnO2, GeO2 und MgF2. Acta Crystallographica: 9: 515-520.

Baur, W.H., Khan, A.A. (1971) Rutile-type compounds. IV. SiO2, GeO2 and a comparison with other rutile-type structures. Acta Crystallographica: B27: 2133-2139.

Johan, Z., Oudin, E., Picot, P. (1983) Analogues germanifères et gallifères des silicates et oxydes dans les gisements de zinc des Pyrénées centrales, France; argutite et carboirite, deux nouvelles espèces minérales. Tschermaks Mineralogische und Petrographische Mitteilungen: 31: 97-119. [in French]

Dunn, P.J., Cabri, L.J., Chao, G.Y., Fleischer, M., Francis, C.A., Grice, J.D., Jambor, J.L., Pabst, A. (1984) New mineral names. American Mineralogist: 69: 406-412.

Yamanaka, T., Ogata, K. (1991) Structure refinement of GeO2 polymorphs at high pressures and temperatures by energy-dispersive spectra of powder diffraction. Journal of Applied Crystallography: 24: 111-118.

Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 21.

Bolzan, A.A., Fong, C., Kennedy, B.J., Howard, C.J. (1997) Structural studies of rutile-type metal dioxides. Acta Crystallographica: B53: 373-380.

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

Internet Links for Argutite

mindat.org URL:
https://www.mindat.org/min-330.html
Please feel free to link to this page.

Localities for Argutite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
France
 
  • Occitanie
    • Ariège
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
      • Cauflens
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
      • Saint-Girons
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
    • Haute-Garonne
      • Argut-Dessus
Tschermaks Min.Petr.Mitt.(1983) 31, 97-119
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
      • Luchon
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
      • Saint-Béat
        • Plan-du-Rey
          • Couledoux
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
    • Hautes-Pyrénées
      • Lourdes
F. Aye, J. Bouladon, P. Picot, G. Pouit : "Quelques exemples d'apport de la minéralogie à la connaissance et à la recherche des gîtes minéraux" , Bull. Mineral. , 1978, 101, 139-147
Romania
 
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
http://minerals-of-the-carpathians.eu
Mineral and/or Locality  
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