Mineralogy Database

Kamiokite Mineral Data

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General Kamiokite Information

Help on Chemical  Formula: Chemical Formula: Fe2Mo3O8
Help on Composition: Composition: Molecular Weight = 527.51 gm
   Iron        21.17 %  Fe   27.24 % FeO
   Molybdenum  54.56 %  Mo   72.76 % MoO2
   Oxygen      24.26 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2Mo3O8
Help on Environment: Environment: In quartz-molybdenite stockwork veins associated with granite porphyry dikes.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Kamioka Ag-Pb-Zn mine, Gifu Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Kamiokite + Pronunciation Say KAMIOKITE
Help on Synonym: Synonym: ICSD 61069
  PDF 36-526
 

Kamiokite Image

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  Kamiokite

Comments: Dull dark gray-black sectile massive kamiokite.
Location: Krupka, Severocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamiokite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.73867
Help on Cell Dimensions: Cell Dimensions: a = 5.782, c = 10.053, Z = 2; V = 291.06 Den(Calc)= 6.02
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Pyramidal H-M Symbol (6mm) Space Group: P 63mc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.03(1), 3.55(0.9), 2.509(0.75),
 

Physical Properties of Kamiokite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Iron black.
Help on Density: Density: 5.96
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Even - Flat surfaces (not cleavage) fractured in an even pattern.
Help on Habit: Habit: Hexagonal - Six-sided crystal shape in cross-section or habit.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: black
 

Optical Properties of Kamiokite

Help on Optical Data: Optical Data: Uniaxial (-).
  NCalc= 1.31 - from Gladstone-Dale relationship (KC = 0.0512) where Ncalc=Dcalc*KC+1
NCalc= 1.31 - from Gladstone-Dale relationship (KC = 0.0512) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Strong, light brownish gray to dark greenish gray.
Help on RL Bireflectance: RL Bireflectance: Strong, gray to olive-gray.
Help on RL Color: RL Color: Gray with an olive tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Kamiokite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   19.00   25.40 
   
 420 nm   18.60   25.00 
 440 nm   18.20   24.60 
 460 nm   17.80   24.20 
 480 nm   17.40   23.80 
 500 nm   17.10   23.50 
 520 nm   16.80   23.20 
 540 nm   16.60   23.00 
 560 nm   16.40   22.70 
 580 nm   16.10   22.50 
 600 nm   15.90   22.30 
 620 nm   15.80   22.20 
 640 nm   15.80   22.30 
 660 nm   15.90   22.40 
 680 nm   16.00   22.60 
 700 nm   16.30   22.70 
Calculated Relative Intensity Colors of Kamiokite in Air
Relative
Intensity
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540%
R1                      
R2                      
 

Calculated Properties of Kamiokite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.52 gm/cc
note: Specific Gravity of Kamiokite =6.02 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.14
Boson Index = 0.86
Help on Photoelectric: Photoelectric: PEKamiokite = 97.61 barns/electron
U=PEKamiokite x rElectron Density= 539.14 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kamiokite is Not Radioactive
 

Kamiokite Classification

Help on  Dana Class: Dana Class: 07.06.03.01 (07)Multiple Oxides
  (07.06)where A (B)4 X9
  (07.06.03)Dana Group
 
07.06.03.01 Kamiokite Fe2Mo3O8 P 63mc 6mm
Help on  Strunz Class: Strunz Class: 04.CB.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CB -With medium-sized cations
 
04.CB.40 Kamiokite Fe2Mo3O8 P 63mc 6mm
 
04.CB.40 Nolanite (V,Fe,Fe,Ti)10O14(OH)2 P 63mc 6mm
 
04.CB.40 Rinmanite! (Zn,Mn)2Sb2Mg2Fe4O14(OH)2 P 63mc 6mm
 

Other Kamiokite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Kamiokite :
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
15 - WWW-MINCRYST

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

Kamiokite

Fe2Mo3O8
Dana No: 07.06.03.01 Strunz No: 04.CB.40
Locality:

 

Notes:

 

 
   
 


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