Mindat Logo

Navajoite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
Fe
3+
 
V
5+
9
O
 
24
· 12H
 
2
O
System:MonoclinicColour:Dark brown
Hardness:
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
mindat.org URL:http://www.mindat.org/min-2867.html
Please feel free to link to this page.

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):
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
Simplified for copy/paste:Fe3+V5+9O24·12H2O
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
Ti
 
2
V
3+
 
O
 
5
(OH)
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(Ti
4+
6
V
3+
2
)O
 
16
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

Search Engines:
  • Look for Navajoite on Google
  • Look for Navajoite images on Google
  • External Links:
  • Look for Navajoite on Webmineral
  • Look for Navajoite on Athena Mineralogy
  • Look for Navajoite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Navajoite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Fine minerals from bisbeeborn.com
  • rare and unusual minerals mainly crystallized
  • Find Navajoite on www.crystalclassics.co.uk
  • High-end worldwide specimens & outstanding customer service
  • Buy minerals from YourMineralCollection
  • Fabre Minerals - search for Navajoite specimens
  • Wilensky Fine Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • SpiriferMinerals.com - high quality low prices
  • Fine and rare minerals from mintreasure.com
  • Search for Navajoite on Well-Arranged Molecules
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Jobs:
  • Mining & Geology Jobs
  • 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.
    (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
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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: March 10, 2014 23:09:36
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds