Mineralogy Database

Fervanite Mineral Data

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General Fervanite Information

Help on Chemical  Formula: Chemical Formula: Fe+++4(VO4)4•5(H2O)
Help on Composition: Composition: Molecular Weight = 773.22 gm
   Vanadium  26.35 %  V    47.04 % V2O5
   Iron      28.89 %  Fe   41.31 % Fe2O3
   Hydrogen   1.30 %  H    11.65 % H2O
   Oxygen    43.45 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+4(VO4)4•5(H2O)
Help on Environment: Environment: U-V deposits of the Colorado Plateau.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1931
Help on Locality: Locality: Polar Mesa, Grand County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its composition.
Help on Name Pronunciation: Name Pronunciation: Fervanite + Pronunciation Say FERVANITE

Fervanite Image

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  Fervanite   Hewettite

Comments: Spherical aggregate of acicular microcrystals of fervanite with blocky hewettite.
Location: Gold Quarry Mine, Carlin Trend, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fervanite Crystallography

Help on Crystal System: Crystal System: Monoclinic Space Group: Unk.
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.79(1), 6.45(0.9), 3.22(0.8),3.15(0.7), 2.93(0.5), 2.99(0.5), 2.91(0.2), 3.29(0.2),

Physical Properties of Fervanite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow, Brown, Pale green.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: yellowish brown

Optical Properties of Fervanite

Help on Optical Data: Optical Data: Biaxial (-), a=2.186, b=2.222, g=2.224, bire=0.0380, 2V(Calc)=26, 2V(Meas)=0-20. Dispersion relatively strong.

Calculated Properties of Fervanite

Help on Fermion Index: Fermion Index: Fermion Index = 0.0069941554
Boson Index = 0.9930058446
Help on Photoelectric: Photoelectric: PEFervanite = 13.74 barns/electron
U=PEFervanite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Fervanite is Not Radioactive

Fervanite Classification

Help on  Dana Class: Dana Class: (47)Vanadium Oxysalts
  (47.03.04)Dana Group Fervanite Fe4(VO4)4•5(H2O) Unk. Mono
Help on  Strunz Class: Strunz Class: 04.HG.05 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.05 Fervanite Fe4(VO4)4•5(H2O) Unk. Mono

Other Fervanite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Fervanite :
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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Dana No: Strunz No: 04.HG.05





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