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Argutite

Formula:
GeO
 
2
System:TetragonalHardness:6 - 7
Name:Named after the type locality.


Rutile Group

Classification of Argutite

IMA status:Approved
Strunz 8th edition ID:4/D.02-45
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:4.4.1.7

4 : SIMPLE OXIDES
4 : AX2
Hey's CIM Ref.:7.11.14

7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb
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Type Occurrence of Argutite

Type Locality:Plan d'Argut deposit, Argut-Dessus, Haute-Garonne, Midi-Pyrénées, France
General Appearance of Type Material:Subhedral crystals to 20 µm, included in sphalerite
Year of Discovery:1983
Geological Setting of type material:In a zinc deposit formed in metamorphosed lower Paleozoic sediments
Associated Minerals at type locality:
SphaleriteSideriteCassiteriteBriartite

Physical Properties of Argutite

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

Crystallography of Argutite

Crystal System:Tetragonal
Class (H-M):4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:P42/mnm (P42/m 21/n 2/m)
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:
d-spacingIntensity
3.11 (100)
2.399 (60)
1.620 (50)
1.3045 (20)
1.5546 (18)
1.3004 (18)
Comments:Recorded on material from the type locality

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%


Graph shows reflectance levels at different wavelengths (in nm). 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:
GeO
 
2
Essential elements:Ge, O
All elements listed in formula:Ge, O
Analyical 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.-%
Empirical Formula:
(Ge
 
0.94
Zn
 
0.04
Fe
 
0.02
)
 
=1.00
O
 
1.94
Common Impurities:Zn,Mn,Fe

Relationship of Argutite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.DB.05Cassiterite
SnO
 
2
4.DB.05Plattnerite
PbO
 
2
4.DB.05Pyrolusite
MnO
 
2
4.DB.05Rutile
TiO
 
2
4.DB.05Tripuhyite
Fe
3+
 
Sb
5+
 
O
 
4
4.DB.05Tugarinovite
MoO
 
2
4.DB.05Varlamoffite
(Sn,Fe)(O,OH)
 
2
4.DB.10Byströmite
MgSb
 
2
O
 
6
4.DB.10Tapiolite-(Fe)
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
4.DB.10Tapiolite-(Mn)
(Mn,Fe)(Ta,Nb)
 
2
O
 
6
4.DB.10Ordoñezite
ZnSb
 
2
O
 
6
4.DB.15Akhtenskite
ε-Mn
4+
 
O
 
2
4.DB.15Nsutite
(Mn
4+
 
,Mn
2+
 
)(O,OH)
 
2
4.DB.15Paramontroseite
VO
 
2
4.DB.15Ramsdellite
Mn
4+
 
O
 
2
4.DB.20Scrutinyite
alpha-PbO
 
2
4.DB.25Ishikawaite
U
4+
 
Fe
2+
 
Nb
 
2
O
 
8
4.DB.25Ixiolite
(Ta,Nb,Sn,Fe,Mn)
 
4
O
 
8
4.DB.25Samarskite-(Y)
(Y,Fe
3+
 
,Fe
2+
 
,U,Th,Ca)
 
2
(Nb,Ta)
 
2
O
 
8
4.DB.25Srilankite
Ti
 
2
ZrO
 
6
4.DB.25Yttrocolumbite-(Y)
Y(U
4+
 
,Fe
2+
 
)Nb
 
2
O
 
8
4.DB.25Calciosamarskite
(Ca,Fe
3+
 
,Y)
 
2
(Nb,Ta,Ti)
 
2
O
 
8
4.DB.25Iwashiroite-(Y)
Y(Ta,Nb)O
 
4
4.DB.25Samarskite-(Yb)
(Yb,Fe
3+
 
)
 
2
(Nb,Ta)
 
2
O
 
8
4.DB.25Písekite-(Y)
4.DB.30Ferberite
FeWO
 
4
4.DB.30Hübnerite
MnWO
 
4
4.DB.30Sanmartinite
(Zn,Fe)WO
 
4
4.DB.30Krasnoselskite
CoWO
 
4
4.DB.35Columbite-(Fe)
FeNb
 
2
O
 
6
4.DB.35Tantalite-(Fe)
FeTa
 
2
O
 
6
4.DB.35Columbite-(Mn)
(Mn,Fe)(Nb,Ta)
 
2
O
 
6
4.DB.35Tantalite-(Mn)
MnTa
 
2
O
 
6
4.DB.35Columbite-(Mg)
(Mg,Fe,Mn)(Nb,Ta)
 
2
O
 
6
4.DB.35Qitianlingite
(Fe,Mn)
 
2
(Nb,Ta)
 
2
WO
 
10
4.DB.35Magnocolumbite
4.DB.35Tantalite-(Mg)
(Mg,Fe
2+
 
)(Ta,Nb)
 
2
O
 
6
4.DB.40Ferrowodginite
FeSnTa
 
2
O
 
8
4.DB.40Lithiotantite
Li(Ta,Nb)
 
3
O
 
8
4.DB.40Lithiowodginite
LiTa
 
3
O
 
8
4.DB.40Titanowodginite
MnTiTa
 
2
O
 
8
4.DB.40Wodginite
Mn(Sn,Ta)Ta
 
2
O
 
8
4.DB.40Ferrotitanowodginite
Fe
2+
 
TiTa
 
2
O
 
8
4.DB.45Tivanite
VTiO
 
3
(OH)
4.DB.50Carmichaelite
(Ti,Cr,Fe)[O
 
2-x
(OH)
 
x
]
4.DB.55Alumotantite
AlTaO
 
4
4.DB.60Biehlite
((Sb,As)O)
 
2
[MoO
 
4
]
Related Minerals - Hey's Index Grouping:
7.11.1Romarchite
SnO
7.11.2Cassiterite
SnO
 
2
7.11.4Schoenfliesite
Mg[Sn(OH)
 
6
]
7.11.5Burtite
Ca[Sn(OH)
 
6
]
7.11.6Vismirnovite
Zn[Sn(OH)
 
6
]
7.11.7Wickmanite
Mn
2+
 
[Sn(OH)
 
6
]
7.11.8Tetrawickmanite
Mn
2+
 
[Sn
4+
 
(OH)
 
6
]
7.11.9Jeanbandyite
(Fe
2+
 
,Mn
2+
 
)[Sn
4+
 
(OH)
 
6
]
7.11.10Natanite
Fe
2+
 
[Sn(OH)
 
6
]
7.11.11Mushistonite
(Cu,Zn,Fe
2+
 
)[Sn(OH)
 
6
]
7.11.12Ferronigerite-2N1S
Sn(Fe,Mg)Al
 
6
O
 
11
(OH)
7.11.13Magnesionigerite
7.11.15Brunogeierite
(Ge,Fe)Fe
 
2
O
 
4
7.11.16Stottite
Fe
2+
 
[Ge
4+
 
(OH)
 
6
]
7.11.17Carboirite
FeAl
 
2
GeO
 
5
(OH)
 
2
7.11.18Otjisumeite
PbGe
 
4
O
 
9
7.11.19Bartelkeite
PbFe
2+
 
Ge
 
3
O
 
8
7.11.20Massicot
PbO
7.11.21Litharge
PbO
7.11.22Minium
Pb
 
3
O
 
4
7.11.23Plattnerite
PbO
 
2
7.11.24Scrutinyite
alpha-PbO
 
2
7.11.25Murdochite
PbCu
 
6
O
 
8-x
(Cl,Br)
 
2x
 x<=0.5
7.11.26Macedonite
PbTiO
 
3
7.11.27Cesàrolite
PbH
 
2
Mn
 
3
O
 
8
7.11.28Coronadite
Pb(Mn,Mn)
 
8
O
 
16
7.11.29Quenselite
PbMnO
 
2
(OH)
7.11.30Plumboferrite
PbFe
 
4
O
 
7
7.11.31Magnetoplumbite
(Pb,Mn)(Fe,Mn)
 
12
O
 
19
7.11.32Senaite
Pb(Ti,Fe,Mn)
 
21
O
 
38

Other Names for Argutite

Synonyms:
IMA1980-067
German names:
Argutit
Russian names:
Аргутит
Spanish names:
Argutita

Other Information

Health Warning: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:Johan, Z., Oudin, E. and 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). - American Mineralogist (1984), 69, 406 (abstract).

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

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

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    Localities for Argutite

    (TL) indicates type locality. ? 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
     
    • Midi-Pyrénées
      • 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
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