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Duttonite

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Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon
© Vincent Bourgoin

Show Duttonite Photos (5)



Formula:
V
4+
 
O(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
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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:
V
4+
 
O(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
5+
 
,V
4+
 
)
 
4
O
 
10
 · 5H
 
2
O
4.HE.10Shcherbinaite
V
5+
2
O
 
5
4.HE.15Hewettite
CaV
 
6
O
 
16
 · 9H
 
2
O
4.HE.15Metahewettite
CaV
 
6
O
 
16
 · 3H
 
2
O
4.HE.20Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
 · 9H
 
2
O
4.HE.20Bokite
(Al,Fe
3+
 
)
 
1.3
(V
5+
 
,V
4+
 
,Fe
3+
 
)
 
8
O
 
20
 · 7.4H
 
2
O
4.HE.20Corvusite
(Na,K,Ca,Mg)
 
2
(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
 · 6-10H
 
2
O
4.HE.20Fernandinite
(Ca,K)(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
 · 10H
 
2
O
4.HE.20Straczekite
(Ca,K,Ba)(V
5+
 
,V
4+
 
)
 
8
O
 
20
 · 3H
 
2
O
4.HE.25Häggite
V
3+
 
V
4+
 
O
 
2
(OH)
 
3
4.HE.30Doloresite
V
4+
3
O
 
4
(OH)
 
4
4.HE.40Cavoite
CaV
4+
3
O
 
7
Related Minerals - Hey's Index Grouping:

- +
7.12.1Montroseite
(V
3+
 
,Fe
3+
 
)O(OH)
7.12.2 Scherbinaite
7.12.3Paramontroseite
V
4+
 
O
 
2
7.12.4Häggite
V
3+
 
V
4+
 
O
 
2
(OH)
 
3
7.12.6Doloresite
V
4+
3
O
 
4
(OH)
 
4
7.12.7Lenoblite
V
4+
2
O
 
4
 · 2H
 
2
O
7.12.8Navajoite
Fe
3+
 
V
5+
9
O
 
24
 · 12H
 
2
O
7.12.9Vanoxite
V
4+
4
V
5+
2
O
 
13
 · 8H
 
2
O
7.12.10Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
 · 9H
 
2
O
7.12.11Corvusite
(Na,K,Ca,Mg)
 
2
(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
 · 6-10H
 
2
O
7.12.12Simplotite
CaV
4+
4
O
 
9
 · 5H
 
2
O
7.12.13Kyzylkumite
BeV
3+
2
TiO
 
6
7.12.14Schreyerite
V
3+
2
Ti
 
3
O
 
9
7.12.15Berdesinskiite
V
3+
2
TiO
 
5
7.12.16Tivanite
V
3+
 
TiO
 
3
(OH)
7.12.17Mannardite
Ba
 
x
Ti
 
8-2x
V
 
2x
O
 
16
·2-xH
 
2
O
7.12.18Karelianite
V
3+
2
O
 
3
7.12.19Coulsonite
Fe
2+
 
V
3+
2
O
 
4
7.12.20Nolanite
(V
3+
 
,Fe
3+
 
,Fe
2+
 
,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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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Duttonite details from Handbook of Mineralogy (PDF)
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    • Localities for Duttonite

    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.
    Hide Locality List
    (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; Mineralogical Magazine 1984 48 : 289-293
    • 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
    • New Mexico
      • San Juan Co.
        • Shiprock District
          • Eastside mines
    		NMBGMR Open-file Report - 466
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 20th Jun 2011 17:28:29
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