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Navajoite

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Big Photo

Pandora Mine, Paradox Valley District, Paradox Valley, San Juan Co., Utah, USA
© Brent Thorne

Show Navajoite Photos (7)



Formula:
Fe
3+
 
V
5+
9
O
 
24
 · 12H
 
2
O
System:MonoclinicColour:Dark brown
Hardness:1½
Name:After the Navajo Indian Nation, upon whose reservation the type material occurred.
This page provides mineralogical data about Navajoite.

Classification of Navajoite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/G.07-10
Nickel-Strunz 10th (pending) edition ID:4.HG.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
G : Unclassified V oxides
Dana 8th edition ID:4.6.2.1

4 : SIMPLE OXIDES
6 : Miscellaneous
Hey's CIM Ref.:7.12.8

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
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Type Occurrence of Navajoite

Type Locality:Monument No. 2 Mine, Monument No. 2 channel, Monument Valley, Navajo Indian Reservation, Apache Co., Arizona, USA
Place of Conservation of Type Material:Harvard, Smithsonian
Year of Discovery:1954
Geological Setting of type material:Colorado Plateau U-V deposit

Physical Properties of Navajoite

Lustre:Adamantine, Silky
Diaphaneity (Transparency):Translucent
Colour:Dark brown
Streak:Light brown
Hardness (Mohs):1½
Tenacity:Sectile
Density (measured):2.56 g/cm3
Density (calculated):2.53 g/cm3

Crystallography of Navajoite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Cell Parameters:a = 34.94(2) Å, b = 3.597(2) Å, c = 11.79(1) Å
β = 95.98(6)°
Ratio:a:b:c = 9.714 : 1 : 3.278
Unit Cell Volume:V 1,473.69 ų (Calculated from Unit Cell)
Z:2
Morphology:Fibrous cross vein fillings
X-Ray Powder Diffraction:
d-spacingIntensity
17.38 (7)
11.79 (100)
10.54 (3)
5.79 (6)
3.41 (20)
3.18 (8)
1.992 (4)
Comments:Affected by preferred orientation.

Optical Data of Navajoite

Type:Biaxial (-)
RI values: nα = 1.905 nβ = 2.020 nγ = 2.020
Maximum Birefringence:δ = 0.115

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:dispersion not observed
Comments:X=Y= yellowish brown
Z= dark brorn

Chemical Properties of Navajoite

Formula:
Fe
3+
 
V
5+
9
O
 
24
 · 12H
 
2
O
Essential elements:Fe, H, O, V
All elements listed in formula:Fe, H, O, V

Relationship of Navajoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HG.05Fervanite
Fe
3+
4
V
5+
4
O
 
16
 · 5H
 
2
O
4.HG.10Huemulite
Na
 
4
Mg(V
 
10
O
 
28
) · 24H
 
2
O
4.HG.15Vanalite
NaAl
 
8
V
 
10
O
 
38
 · 30H
 
2
O
4.HG.20Simplotite
CaV
4+
4
O
 
9
 · 5H
 
2
O
4.HG.25Vanoxite
V
4+
4
V
5+
2
O
 
13
 · 8H
 
2
O
4.HG.35Delrioite
CaSr(V
 
2
O
 
6
)(OH)
 
2
 · 3H
 
2
O
4.HG.40Metadelrioite
CaSr(V
 
2
O
 
6
)(OH)
 
2
4.HG.45Barnesite
(Na,Ca)V
 
6
O
 
16
 · 3H
 
2
O
4.HG.50Hendersonite
(Ca,Sr)
 
1.3
V
 
6
O
 
16
 · 6H
 
2
O
4.HG.55Grantsite
(Na,Ca)V
 
6
O
 
16
 · 4H
 
2
O
4.HG.60Lenoblite
V
4+
2
O
 
4
 · 2H
 
2
O
4.HG.65Satpaevite
Al
 
12
V
4+
2
V
5+
6
O
 
37
 · 30H
 
2
O
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
7.12.5Duttonite
V
4+
 
O(OH)
 
2
7.12.6Doloresite
V
4+
3
O
 
4
(OH)
 
4
7.12.7Lenoblite
V
4+
2
O
 
4
 · 2H
 
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
V
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 Navajoite

Other Languages:
German:Navajoit
Spanish:Navajoita

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 Navajoite

Reference List:

- +
Weeks, A.D., M.E. Thompson, and A.M. Sherwood (1955) Navajoite, a new vanadium oxide from Arizona. American Mineralogist, 40, 207–212.

Evans, Jr., H.T., and Hughes, J.M. (1990): Crystal chemistry of the natural vanadium bronzes. American Mineralogist 75, 508-521.

Internet Links for Navajoite

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  • Raman and XRD data at RRUFF project
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    • Localities for Navajoite

    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.
    China
     
    • Guizhou Province
      • Qiandongnan Autonomous Prefecture
        • Zhenyuan Co.
    		Zongwen Yang (2008): Guizhou Geology 25(1), 31-34
    USA
     
    • Arizona
      • Apache Co.
        • Navajo Indian Reservation
          • Monument Valley
            • Monument No. 2 channel
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 311; Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ: 115, 117; Finnell, T.L. (1957), Structural control of uranium ore at the Monument No. 2 mine, Apache Co., AZ, Econ.Geol.: 52: 25-35; Young, R.G. (1964), Distribution of uranium deposits in the White Canyon-Monument Valley district, UT-AZ, Econ.Geol.: 59: 850-973; Weeks, A.D., et al (1955), Navajoite, a new vanadium oxide from AZ, Am.Min.: 40: 207-212; Weeks, A.D., et al (1954), Navajoite, a new vanadium oxide from AZ, Science: 119: 326; Ross, M. (1959), Mineralogical applications of electron diffraction.II. Studies of some vanadium minerals of the Colorado Plateau, Am.Min.: 44: 322-341; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 34.
    • Arkansas
      • Garland Co.
        • Wilson Springs (Potash Sulfur Springs)
          • Union Carbide Mine
    		R&M 70:3 pp 154-170
    • Colorado
      • Mesa Co.
        • Uravan District
          • Calamity Mesa
    		Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Montrose Co.
        • Uravan District
            • Jo Dandy Mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker)
    		Minerals of Colorado (1997) E.B. Eckels
      • San Miguel Co.
        • Slick Rock District
    		Minerals of Colorado (1997) E.B. Eckels
    • Utah
      • San Juan Co.
        • La Sal District (Paradox Valley District)
          • Lyon Canyon Creek
    		EDX results from Kaygeedee Minerals
        • Monument Valley
          • Monument Valley District (Monumental District)
            • Goulding
              • Oljeto Mesa
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Paradox Valley
          • Paradox Valley District
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