Kawazulite Mineral Data + 
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- 2.11.7.1 Tetradymite Bi2Te2S R 3m 3 2/m
- 2.11.7.2 Tellurobismuthite Bi2Te3 R 3m 3 2/m
- 2.11.7.3 Tellurantimony Sb2Te3 R 3m 3 2/m
- 2.11.7.4 Paraguanajuatite Bi2(Se,S)3 R 3m 3 2/m
- 2.11.7.5 Kawazulite Bi2(Te,Se,S)3 R 3m 3 2/m
- 2.11.7.6 Skippenite Bi2Se2(Te,S) R 3m 3 2/m
- II/D.09-10 Tellurantimony Sb2Te3 R 3m 3 2/m
- II/D.09-20 Tellurobismuthite Bi2Te3 R 3m 3 2/m
- II/D.09-30 Paraguanajuatite Bi2(Se,S)3 R 3m 3 2/m
- II/D.09-50 Skippenite Bi2Se2(Te,S) R 3m 3 2/m
- II/D.09-60 Tetradymite Bi2Te2S R 3m 3 2/m
- II/D.09-70 Kawazulite Bi2(Te,Se,S)3 R 3m 3 2/m
General Kawazulite Information |
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 Chemical Formula: |
Bi2(Te,Se,S)3 | ||
| Composition: |
Molecular Weight = 728.32 gm | ||
| Bismuth 57.39 % Bi | |||
| Tellurium 31.54 % Te | |||
| Selenium 9.76 % Se | |||
| Sulfur 1.32 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Bi2Te1.8Se0.9S0.3 | ||
| Environment: |
Of hydrothermal origin, in a quartz vein. | ||
| IMA Status: |
Approved IMA 1970 | ||
| Locality: |
In the Kawazu mine, Shizuoka Prefecture, Japan. Link to MinDat.org Location Data. | ||
| Name Origin: |
For the Kawazu mine, Japan. | ||
| Synonym: |
ICSD 42543 | ||
| PDF 29-247 | |||
Search for Kawazulite Images | |||
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Images:
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Kawazulite Crystallography |
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| Axial Ratios: |
a:c = 1:6.99528 | ||
| Cell Dimensions: |
a = 4.24, c = 29.66, Z = 3; V = 461.78 Den(Calc)= 7.86 | ||
| Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.12(1), 2.31(0.5), 4.92(0.4), | ||
Physical Properties of Kawazulite |
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| Cleavage: |
[0001] Perfect | ||
| Color: |
Silver white, Tin white. | ||
| Density: |
7.79 | ||
| Diaphaniety: |
Opaque | ||
| Fracture: |
Flexible - Flexible fragments. | ||
| Hardness: |
1.5 - Between Talc and Gypsum | ||
| Luster: |
Metallic | ||
| Streak: |
steel gray | ||
Optical Properties of Kawazulite |
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| 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 |
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| RL Anisotrophism: |
Strong, bluish gray to brownish gray to gray. | ||
| RL Pleochroism: |
Pinkish creamy white to white with creamy tint. | ||
Calculated Properties of Kawazulite |
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| Electron Density: |
relectron=6.37 gm/cc |
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| Fermion Index |
Fermion Index = 0.03271 Boson Index = 0.96729 |
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| Photoelectric: |
PEKawazulite =1,267.95 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kawazulite is Not Radioactive |
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Kawazulite Classification |
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| Dana Class: |
2.11.7.5 (2)Sulfides - Including Selenides and Tellurides | ||
| (2.11)where Am Bn Xp, with (m+n):p=2:3 | |||
| (2.11.7)Tetradymite Group (Trigonal: R-3m) | |||
| Strunz Class: |
II/D.09-70 II - Sulfides and sulphosalts | ||
| II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold | |||
| II/D.09 - Tetradymite group, Tellurantimony - Kawazulite series | |||
Other Kawazulite Information |
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Kawazulite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Kawazulite using: Visit our Advertisers for Kawazulite : Translate Kawazulite Mineral Data : Ask about Kawazulite here : Print or Cut-and-Paste your Kawazulite Specimen Label here :
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