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Navajoite

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

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Formula:
V
 
2
O
 
5
 · 3H
 
2
O
System:MonoclinicColour:Light 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
Year of Discovery:1954

Physical Properties of Navajoite

Colour:Light brown
Hardness (Mohs):1½

Crystallography of Navajoite

Crystal System:Monoclinic

Optical Data of Navajoite

Type:Biaxial
RI values: nα = 1.905 nβ = 2.020
Maximum Birefringence:δ = 1.905

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

Chemical Properties of Navajoite

Formula:
V
 
2
O
 
5
 · 3H
 
2
O
Essential elements:H, O, V
All elements listed in formula:H, O, V

Relationship of Navajoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HG.05Fervanite
Fe
 
4
(VO
 
4
)
 
4
·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
O
 
9
·5H
 
2
O
4.HG.25Vanoxite
V
 
6
O
 
13
·8H
 
2
O
4.HG.35Delrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
] · 3H
 
2
O
4.HG.40Metadelrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
]
4.HG.45Barnesite
Na
 
2
[V
 
2
O
 
6
|V
 
4
O
 
10
] · 3H
 
2
O
4.HG.50Hendersonite
(Ca,Sr)
 
x
(V
5+
 
,V
4+
 
)
 
12
O
 
32
·12H
 
2
O (x about 2.6)
4.HG.55Grantsite
(Na
 
2
,Ca)[V
 
2
O
 
6
|(V
5+
 
,V
4+
 
)
 
4
O
 
10
] · 4H
 
2
O
4.HG.60Lenoblite
V
 
2
O
 
4
·2H
 
2
O
4.HG.65Satpaevite
Al
 
12
V
 
2
V
 
6
O
 
37
·30H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
7.12.1Montroseite
(V,Fe)O(OH)
7.12.2 Scherbinaite
V
 
2
O
 
5
7.12.3Paramontroseite
VO
 
2
7.12.4Häggite
V
 
2
O
 
2
(OH)
 
3
7.12.5Duttonite
VO(OH)
 
2
7.12.6Doloresite
3V
 
2
O
 
4
·4H
 
2
O
7.12.7Lenoblite
V
 
2
O
 
4
·2H
 
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 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:American Mineralogist (1955): 40: 207-212.

American Mineralogist (1990): 75: 508-521.

Articles/Blogs about Navajoite

Internet Links for Navajoite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    Localities for Navajoite

    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.
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    (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.
    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.
        • Monument Valley
          • Monument Valley District (Monumental District)
            • Goulding
              • Oljeto Mesa
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Paradox Valley
          • Paradox Valley District
    		EDX results from Kaygeedee Minerals
    Mineral and/or Locality
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