Kawazulite Mineral Data

Kawazulite Mineral Data
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General Kawazulite Information

Help on Chemical Formula: Chemical Formula: Bi2(Te,Se,S)3
Help on Composition: Composition: Molecular Weight = 728.32 gm
   Bismuth    57.39 %  Bi
   Tellurium  31.54 %  Te
   Selenium    9.76 %  Se
   Sulfur      1.32 %  S
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Bi2Te1.8Se0.9S0.3
Help on Environment: Environment: Of hydrothermal origin, in a quartz vein.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: In the Kawazu mine, Shizuoka Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the Kawazu mine, Japan.
Help on Name Pronunciation: Name Pronunciation: Kawazulite + Pronunciation Say KAWAZULITE
Help on Synonym: Synonym: ICSD 42543
  PDF 29-247
 

Kawazulite Image

Click Here for Larger Kawazulite Image in a New Browser Window Images:
Click Here for Larger Kawazulite Image

Kawazulite

Comments: Sparse tin-white metallic kawazulite vein in quartz.
Location: Lone Pine, New Mexico, USA. Scale: Specimen Size 2.5x4 cm.
© Diederik Visser

Kawazulite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:6.99528
Help on Cell Dimensions: Cell Dimensions: a = 4.24, c = 29.66, Z = 3; V = 461.78 Den(Calc)= 7.86
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.12(1), 2.31(0.5), 4.92(0.4),
Click Here for Large Kawazulite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Nakajima S , Journal of Physics and Chemistry of Solids , 24 (1963) p.479-485, The crystal structure of Bi2Te3-xSex, Locality: synthetic

 

Physical Properties of Kawazulite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Silver white, Tin white.
Help on Density: Density: 7.79
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luster: Luster: Metallic
Help on Streak: Streak: steel gray
 

Optical Properties of Kawazulite

Help on Optical Data: Optical Data: NCalc= 2.39 - from Gladstone-Dale relationship (KC = 0.1772) where Ncalc=Dcalc*KC+1
NCalc= 2.38 - from Gladstone-Dale relationship (KC = 0.1772) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Strong, bluish gray to brownish gray to gray.
Help on RL Pleochroism: RL Pleochroism: Pinkish creamy white to white with creamy tint.
 

Calculated Properties of Kawazulite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.37 gm/cc
note: Specific Gravity of Kawazulite =7.86 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEKawazulite =1,267.95 barns/electron
U=PEKawazulite x rElectron Density=8,073.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kawazulite is Not Radioactive
 

Kawazulite Classification
Help on Dana Class: Dana Class: 02.11.07.05 (02)Sulfides - Including Selenides and Tellurides
  (02.11)where Am Bn Xp, with (m+n):p=2:3
  (02.11.07)Tetradymite Group (Trigonal: R-3m)
 
02.11.07.01 Tetradymite Bi2Te2S R 3m 3 2/m
 
02.11.07.02 Tellurobismuthite Bi2Te3 R 3m 3 2/m
 
02.11.07.03 Tellurantimony Sb2Te3 R 3m 3 2/m
 
02.11.07.04 Paraguanajuatite Bi2(Se,S)3 R 3m 3 2/m
 
02.11.07.05 Kawazulite Bi2(Te,Se,S)3 R 3m 3 2/m
 
02.11.07.06 Skippenite Bi2Se2(Te,S) R 3m 3 2/m
 
02.11.07.07 Vihorlatite! Bi24Se17Te4 P 3m1 3 2/m
Help on Strunz Class: Strunz Class: 02.DC.05c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.D - Metal Sulfides, M:S = 3:4 and 2:3
  02.DC -Variable M:S
 
02.DC.05c Kawazulite Bi2(Te,Se,S)3 R 3m 3 2/m
 
02.DC.05c Paraguanajuatite Bi2(Se,S)3 R 3m 3 2/m
 
02.DC.05c Skippenite Bi2Se2(Te,S) R 3m 3 2/m
 
02.DC.05c Tetradymite Bi2Te2S R 3m 3 2/m
 
02.DC.05c Tellurantimony Sb2Te3 R 3m 3 2/m
 
02.DC.05c Tellurobismuthite Bi2Te3 R 3m 3 2/m
 

Other Kawazulite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Kawazulite :
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 Kawazulite Specimen Label here :

Kawazulite

Bi2(Te,Se,S)3
Dana No: 02.11.07.05 Strunz No: 02.DC.05c
Locality:

 

Notes: