General Kamiokite Information Chemical Formula: |
Fe2Mo3O8 |
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 |
Empirical Formula: |
Fe2+2Mo3O8 |
Environment: |
In quartz-molybdenite stockwork veins associated with granite porphyry dikes. |
IMA Status: |
Approved IMA 1985 |
Locality: |
Kamioka Ag-Pb-Zn mine, Gifu Prefecture, Japan. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Kamiokite + Pronunciation |
Synonym: |
ICSD 61069 |
|
PDF 36-526 |
| | Kamiokite Image
Images:
|
|
Kamiokite Crystallography Axial Ratios: |
a:c = 1:1.73867 |
Cell Dimensions: |
a = 5.782, c = 10.053, Z = 2; V = 291.06 Den(Calc)= 6.02 |
Crystal System: |
Hexagonal - Dihexagonal PyramidalH-M Symbol (6mm) Space Group: P 63mc |
X Ray Diffraction: |
By Intensity(I/Io): 5.03(1), 3.55(0.9), 2.509(0.75), |
Crystal Structure:
|
Mouse
|
| Physical Properties of Kamiokite Cleavage: |
{0001} Perfect |
Color: |
Iron black. |
Density: |
5.96 |
Diaphaneity: |
Opaque |
Fracture: |
Even - Flat surfaces (not cleavage) fractured in an even pattern. |
Habit: |
Hexagonal - Six-sided crystal shape in cross-section or habit. |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Hardness: |
4.5 - Between Fluorite and Apatite |
Luster: |
Sub Metallic |
Streak: |
black |
| Optical Properties of Kamiokite 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 RL Anisotrophism: |
Strong, light brownish gray to dark greenish gray. |
RL Bireflectance: |
Strong, gray to olive-gray. |
RL Color: |
Gray with an olive tint. |
Reflectivity |
|
| Calculated Properties of Kamiokite Electron Density: |
Bulk Density (Electron Density)=5.52 gm/cc |
note: Specific Gravity of Kamiokite =6.02 gm/cc. Fermion Index: |
Fermion Index = 0.14 |
Boson Index = 0.86 Photoelectric: |
PEKamiokite = 97.61 barns/electron |
U=PEKamiokite x rElectron Density= 539.14 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Kamiokite is Not Radioactive | Kamiokite Classification Dana Class: |
07.06.03.01 (07)Multiple Oxides |
|
(07.06)where A (B)4 X9 |
|
(07.06.03)Dana Group |
|
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 |
|
|
|
| Other Kamiokite Information References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
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 Search for Kamiokite using: Visit our Advertisers for Kamiokite : A Bijoux Google Search for KamiokiteAdam's Minerals Google Search for Kamiokite Cape Minerals Google Search for Kamiokite Dakota Matrix Minerals Google Search for Kamiokite Excalibur Mineral Corp. Google Search for Kamiokite Exceptional Minerals Google Search for Kamiokite John Betts Fine Minerals Search for Kamiokite McDougall Minerals Google Search for Kamiokite Mineral News Website Link Rock and Mineral Shows Google Search for Kamiokite Weinrich Minerals, Inc. Google Search for Kamiokite Ask about Kamiokite here : Print or Cut-and-Paste your Kamiokite Specimen Label here :
| |
|
| |