Navajoite Mineral Data

Navajoite Mineral Data
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General Navajoite Information

Help on Chemical Formula: Chemical Formula: V2O5•3(H2O)
Help on Composition: Composition: Molecular Weight = 235.93 gm
   Vanadium  43.18 %  V    77.09 % V2O5
   Hydrogen   2.56 %  H    22.91 % H2O
   Oxygen    54.25 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: V5+2O5•3(H2O)
Help on Environment: Environment: Highly oxidized portion of a Colorado Plateau-type U-V deposit.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: Monument No. 2 mine, Monument Valley, Apache Co., Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Navajo Indians, on whose reservation the mineral was first found.
Help on Name Pronunciation: Name Pronunciation: Navajoite + Pronunciation Say NAVAJOITE
 

Navajoite Image

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Navajoite

Comments: Purple-brown adamantine navajoite coatings on conglomerate.
Location: Monument #2 Mine, Monument Valley, Apache County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Navajoite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =9.7136:1:3.2777
Help on Cell Dimensions: Cell Dimensions: a = 34.94, b = 3.597, c = 11.79, Z = 10; beta = 95.98° V = 1,473.69 Den(Calc)= 2.66
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.1(1), 10.6(0.6), 2.9(0.5),
 

Physical Properties of Navajoite

Help on Cleavage: Cleavage: None
Help on Color: Color: Dark brown.
Help on Density: Density: 2.56
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luster: Luster: Adamantine
Help on Streak: Streak: brown
 

Optical Properties of Navajoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.106 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.064 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3618,KPDmeas= 0.376,KC= 0.34
Ncalc = 1.87 - 1.9
Help on Optical Data: Optical Data: Biaxial (?), a=1.905, b=2.02,
 

Calculated Properties of Navajoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.62 gm/cc
note: Specific Gravity of Navajoite =2.66 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0013438644
Boson Index = 0.9986561356
Help on Photoelectric: Photoelectric: PENavajoite = 8.16 barns/electron
U=PENavajoite x rElectron Density= 21.35 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Navajoite is Not Radioactive
 

Navajoite Classification
Help on Dana Class: Dana Class: 04.06.02.01 (04)Simple Oxides
  (04.06)not classified
  (04.06.02)Dana Group
 
04.06.02.01 Navajoite V2O5•3(H2O) C 2/m 2/m
Help on Strunz Class: Strunz Class: 04.HG.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.H - V[5,6] Vanadates
  04.HG -Unclassified V oxides
 
04.HG.30 Navajoite V2O5•3(H2O) C 2/m 2/m
 

Other Navajoite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Navajoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Ask about Navajoite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Navajoite Specimen Label here :

Navajoite

V2O5•3(H2O)
Dana No: 04.06.02.01 Strunz No: 04.HG.30
Locality:

 

Notes: