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About NavajoiteHide

Fe3+V5+9O24 · 12H2O
Dark brown
Adamantine, Silky
Specific Gravity:
Crystal System:
After the Navajo Indian Nation, upon whose reservation the type material occurred.
This page provides mineralogical data about Navajoite.

Classification of NavajoiteHide

Approved, 'Grandfathered' (first described prior to 1959)

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

6 : Miscellaneous

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta

Physical Properties of NavajoiteHide

Adamantine, Silky
Dark brown
Light brown
1½ on Mohs scale
2.56 g/cm3 (Measured)    2.53 g/cm3 (Calculated)

Optical Data of NavajoiteHide

Biaxial (-)
RI values:
nα = 1.905 nβ = 2.020 nγ = 2.020
Max Birefringence:
δ = 0.115
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
dispersion not observed
X=Y= yellowish brown
Z= dark brorn

Chemical Properties of NavajoiteHide

Fe3+V5+9O24 · 12H2O
IMA Formula:
(V5+,Fe3+)10O24 · 12H2O

Crystallography of NavajoiteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 34.94(2) Å, b = 3.597(2) Å, c = 11.79(1) Å
β = 95.98(6)°
a:b:c = 9.714 : 1 : 3.278
Unit Cell V:
1,473.69 ų (Calculated from Unit Cell)
Fibrous cross vein fillings

X-Ray Powder DiffractionHide

Powder Diffraction Data:
17.38 (7)
11.79 (100)
10.54 (3)
5.79 (6)
3.41 (20)
3.18 (8)
1.992 (4)
Affected by preferred orientation.

Type Occurrence of NavajoiteHide

Place of Conservation of Type Material:
Harvard, Smithsonian
Geological Setting of Type Material:
Colorado Plateau U-V deposit

Other Language Names for NavajoiteHide


Related Minerals - Nickel-Strunz GroupingHide

4.HG.CalciodelrioiteCa(VO3)2·4H2O Mon. 2/m : B2/b
4.HG.05FervaniteFe3+4V5+4O16 · 5H2OMon.
4.HG.10HuemuliteNa4Mg(V10O28) · 24H2OTric.
4.HG.15VanaliteNaAl8V10O38 · 30H2OMon.
4.HG.20SimplotiteCaV4+4O9 · 5H2OMon.
4.HG.25VanoxiteV4+4V5+2O13 · 8H2O
4.HG.35DelrioiteCaSr(V2O6)(OH)2 · 3H2OMon.
4.HG.45Barnesite(Na,Ca)V6O16 · 3H2OMon. 2/m : P2/m
4.HG.50Hendersonite(Ca,Sr)1.3V6O16 · 6H2OOrth.
4.HG.55Grantsite(Na,Ca)2+x(V5+,V4+)6O16 · 4H2OMon.
4.HG.60LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
4.HG.65SatpaeviteAl12V4+2V5+6O37 · 30H2O

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.12.2 ScherbinaiteV5+2O5
7.12.5DuttoniteV4+O(OH)2Mon. 2/m
7.12.7LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
7.12.9VanoxiteV4+4V5+2O13 · 8H2O
7.12.10BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
7.12.11Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon.
7.12.12SimplotiteCaV4+4O9 · 5H2OMon.
7.12.13KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
7.12.17MannarditeBa(Ti4+6V3+2)O16Tet. 4/m : I41/a
7.12.23Kimrobinsonite(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2Iso.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for NavajoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 NavajoiteHide

Localities for NavajoiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Guizhou Province
    • Qiandongnan Autonomous Prefecture
      • Zhenyuan Co.
Zongwen Yang (2008): Guizhou Geology 25(1), 31-34
  • Arizona
    • Apache Co.
      • Monument Valley
        • Yazzi Mesa
          • 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.
      • Gateway District
        • Gateway
Kampf, A.R., Nash, B.P., Marty, J., Hughes, J.M. (2016): Mesaite, CaMn2+5(V2O7)3·12H2O, a new vanadate mineral from the Packrat mine, near Gateway, Mesa County, Colorado, USA. Mineralogical Magazine: 80: (in press)
      • Uravan District
        • Calamity Mesa
Minerals of Colorado (1997) E.B. Eckel
Minerals of Colorado (1997) E.B. Eckel
    • Montrose Co.
      • Uravan District
          • Jo Dandy Mine (Joe Dandy; Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker)
Minerals of Colorado (1997) E.B. Eckel
    • San Miguel Co.
      • Slick Rock District
Minerals of Colorado (1997) E.B. Eckel
  • Utah
    • San Juan Co.
      • La Sal District (Paradox Valley District)
        • La Sal
        • Lion Canyon
EDX results from Kaygeedee Minerals; Kampf A R, Hughes J M, Marty J, Nash B (2012) Postite, Mg(H2O)6Al2(OH)2(H2O)8(V10O28)·13H2O, a new mineral species from the La Sal Mining District, Utah: Crystal structure and descriptive mineralogy. The Canadian Mineralogist 50, 45-53
      • Monument Valley
        • Monument Valley District (Monumental District)
          • Goulding
            • Oljeto Mesa
UGMS Bull 117 Minerals and Mineral Localities of Utah
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