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Duttonite

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Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon
© 2007, JGW

Show Duttonite Photos (2)
Formula:
VO(OH)
 
2
System:MonoclinicColour:Pale brown
Hardness:2½
Name:
Named for Clarence Edward Dutton (May 15, 1841 – January 4, 1912), an American geologist and US Army officer.
This page provides mineralogical data about Duttonite.

Classification of Duttonite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/G.08-30
Nickel-Strunz 10th (pending) edition ID:4.HE.35

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
E : Phyllovanadates
Dana 8th edition ID:6.2.7.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
2 : X(OH)2
Hey's CIM Ref.:7.12.5

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
mindat.org URL:http://www.mindat.org/min-1335.html
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Type Occurrence of Duttonite

Type Locality:Peanut Mine, Bull Canyon, Uravan District, Montrose Co., Colorado, USA
Place of Conservation of Type Material:Harvard University 134144
Year of Discovery:1956

Occurrences of Duttonite

Geological Setting:Secondary mineral foemed by low temperature hydrothermal alteration of vanadium minerals.

Physical Properties of Duttonite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:Pale brown
Comment:Bocomes greenish on alteration
Hardness (Mohs):2½
Cleavage:Perfect
Good to perfect on {001}
Density (calculated):3.24 g/cm3

Crystallography of Duttonite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 8.80(2) Å, b = 3.95(1) Å, c = 5.96(2) Å
β = 90.67(5)°
Ratio:a:b:c = 2.228 : 1 : 1.509
Unit Cell Volume:V 207.16 ų (Calculated from Unit Cell)
Z:4
Morphology:Crusts and masses of six sided pseudo-orthorhombic crystals.

Optical Data of Duttonite

Type:Biaxial (+)
RI values: nα = 1.810(3) nβ = 1.900(3) nγ = 2.010
Maximum Birefringence:δ = 0.200

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r < v moderate
Pleochroism:Visible
Comments:X= pale pinkish brown
Y= pale yellow-brown
Z= pale brown

Chemical Properties of Duttonite

Formula:
VO(OH)
 
2
Essential elements:H, O, V
All elements listed in formula:H, O, V

Relationship of Duttonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HE.05Melanovanadite
Ca
 
2
V
 
4
V
 
6
O
 
25
·nH
 
2
O
4.HE.10Shcherbinaite
V
 
2
O
 
5
4.HE.15Hewettite
Ca[V
 
2
O
 
6
|V
 
4
O
 
10
] · 9H
 
2
O
4.HE.15Metahewettite
Ca[V
 
2
O
 
6
|V
 
4
O
 
10
] · 3H
 
2
O
4.HE.20Bariandite
Al
 
3
[(V
5+
 
,V
4+
 
)
 
4
O
 
10
]
 
10
 · 45H
 
2
O
4.HE.20Bokite
(Al,Fe
3+
 
)
 
1.3
[(V
5+
 
,V
4+
 
,Fe
3+
 
)
 
4
O
 
10
]
 
2
 · 7.5H
 
2
O
4.HE.20Corvusite
V
 
7
O
 
20
·nH
 
2
O
4.HE.20Fernandinite
(Ca,K)[(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
4
O
 
10
]
 
2
 · 4H
 
2
O
4.HE.20Straczekite
(Ca,K,Ba)V
 
8
O
 
20
·3H
 
2
O
4.HE.25Häggite
V
 
2
O
 
2
(OH)
 
3
4.HE.30Doloresite
3V
 
2
O
 
4
·4H
 
2
O
4.HE.40Cavoite
CaV
 
3
O
 
7
Related Minerals - Hey's Index Grouping:

- +
7.12.1Montroseite
(V,Fe)O(OH)
7.12.2 Scherbinaite
7.12.3Paramontroseite
VO
 
2
7.12.4Häggite
V
 
2
O
 
2
(OH)
 
3
7.12.6Doloresite
3V
 
2
O
 
4
·4H
 
2
O
7.12.7Lenoblite
V
 
2
O
 
4
·2H
 
2
O
7.12.8Navajoite
V
 
2
O
 
5
 · 3H
 
2
O
7.12.9Vanoxite
V
 
6
O
 
13
·8H
 
2
O
7.12.10Bariandite
Al
 
3
[(V
5+
 
,V
4+
 
)
 
4
O
 
10
]
 
10
 · 45H
 
2
O
7.12.11Corvusite
V
 
7
O
 
20
·nH
 
2
O
7.12.12Simplotite
CaV
 
4
O
 
9
·5H
 
2
O
7.12.13Kyzylkumite
V
 
2
Ti
 
3
O
 
9
7.12.14Schreyerite
V
 
2
Ti
 
3
O
 
9
7.12.15Berdesinskiite
V
3+
2
TiO
 
5
7.12.16Tivanite
VTiO
 
3
(OH)
7.12.17Mannardite
Ba
 
x
Ti
 
8-2x
V
 
2x
O
 
16
·2-xH
 
2
O
7.12.18Karelianite
V
 
2
O
 
3
7.12.19Coulsonite
FeV
 
2
O
 
4
7.12.20Nolanite
(V,Fe,Fe,Ti)
 
10
O
 
14
(OH)
 
2
7.12.21Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
7.12.22Tantite
Ta
 
2
O
 
5
7.12.23Kimrobinsonite
(Ta,Nb)(OH)
 
5-2x
(O,CO
 
3
)
 
x
 x near 1.2

Other Names for Duttonite

Other Languages:
German:Duttonit
Spanish:Duttonita

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 Duttonite

Reference List:Thompson, M.E. et al. (1957): American Mineralogist: 42: 455-460.

Evans, H.T., Jr (1958) Acta Crystallographica: 11A, 56-58.

Internet Links for Duttonite

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    Localities for Duttonite

    Hide Locality List
    The 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. ? 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.
    Gabon
     
    • Haut-Ogooué Province
      • Franceville
    		American Mineralogist (1971): 56: 635-636.
    USA
     
    • Arkansas
      • Garland Co.
        • Wilson Springs (Potash Sulfur Springs)
          • Union Carbide Mine
    		R&M 70:3 pp 154-170
    R&M 70:3 pp 154-170
    • Colorado
      • Montrose Co.
        • Uravan District
          • Bull Canyon
    		[Science (1956) 123, 990; Clark, 1993 - "Hey's Mineral Index"]
      • San Miguel Co.
        • Slick Rock District
    		Minerals of Colorado (1997) Eckels, E. B.; Am Min (1958) 43:16-24
    Mineral and/or Locality
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