Kawazulite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Kawazulite
Formula:
Bi2Te2Se
Colour:
Silver to tin-white
Lustre:
Metallic
Hardness:
1½
Specific Gravity:
8.08 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
Named for the Kawazu mine, Japan, the type locality.
Unique Identifiers
Mindat ID:
2170
Long-form identifier:
mindat:1:1:2170:4
GUID
(UUID V4):
(UUID V4):
58286585-feaa-4f32-a3b8-c13ed72200a4
IMA Classification of Kawazulite
Approved
First published:
1970
Classification of Kawazulite
2.DC.05
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
C : Variable M:S
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
C : Variable M:S
2.11.7.5
2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3
2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3
3.7.34
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Kaw | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Kawazulite
Metallic
Transparency:
Opaque
Colour:
Silver to tin-white
Streak:
Light steel gray
Hardness:
1½ on Mohs scale
Hardness:
VHN50=100 kg/mm2 - Vickers
Tenacity:
Flexible
Cleavage:
Perfect
{0001}
{0001}
Density:
8.08 g/cm3 (Calculated)
Comment:
D(meas.) = > 7.5
Optical Data of Kawazulite
Anisotropism:
strong: brownish-gray to gray
Bireflectance:
Weak to moderate.
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 45.8% | 50.6% |
440nm | 47.7% | 52.0% |
480nm | 49.6% | 54.3% |
520nm | 50.9% | 56.0% |
560nm | 51.7% | 56.6% |
600nm | 52.2% | 56.8% |
640nm | 52.3% | 56.6% |
680nm | 52.1% | 56.3% |
700nm | 51.9% | 56.2% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 56.8%.
R1 shown in black, R2 shown in red
Pleochroism:
Visible
Comments:
Pinkish creamy white to white with a creamy tint
Chemistry of Kawazulite
Mindat Formula:
Bi2Te2Se
Elements listed:
Common Impurities:
Fe,S
Crystallography of Kawazulite
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 4.24 Å, c = 29.66 Å
Ratio:
a:c = 1 : 6.995
Unit Cell V:
461.78 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Thin foils
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0013193 | Kawazulite | Nakajima S (1963) The crystal structure of Bi2Te3-xSex Journal of Physics and Chemistry of Solids 24 479-485 | 1963 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.92 Å | (40) |
3.64 Å | (30) |
3.12 Å | (100) |
2.61 Å | (20) |
2.31 Å | (50) |
1.757 Å | (20) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Kawazulite
General Appearance of Type Material:
Very thin foils up to 4 mm across, with a maximum thickness of 50 microns.
Place of Conservation of Type Material:
Sakurai Museum, Tokyo, and the U.S. National Museum, Washington.
Geological Setting of Type Material:
Tellurium deposit
Associated Minerals at Type Locality:
Reference:
Kato, A. (1970) Kawazulite Bi2Te2S. in Introduction to Japanese Minerals, Geological Survey of Japan: 39: 87-88.
Synonyms of Kawazulite
Other Language Names for Kawazulite
Relationship of Kawazulite to other Species
Member of:
Other Members of this group:
Baksanite | Bi6Te2S3 | Trig. 3m (3 2/m) : P3m1 |
Ehrigite | Bi8Te3 | Trig. 3m (3 2/m) : R3m |
Hedleyite | Bi7Te3 | Trig. 3m (3 2/m) : R3m |
Hitachiite | Pb5Bi2Te2S6 | Trig. 3m : P3m1 |
Ingodite | Bi2TeS | Trig. |
Joséite-B | Bi4Te2S | Trig. 3m (3 2/m) : R3m |
Paraguanajuatite | Bi2Se3 | Trig. 3m (3 2/m) : R3m |
Pilsenite | Bi4Te3 | Trig. 3m (3 2/m) : R3m |
Skippenite | Bi2TeSe2 | Trig. |
Sulphotsumoite | Bi3Te2S | Trig. 3m (3 2/m) : P3 1m |
Tellurantimony | Sb2Te3 | Trig. 3m (3 2/m) : R3m |
Tellurobismuthite | Bi2Te3 | Trig. 3m (3 2/m) : R3m |
Telluronevskite | Bi3TeSe2 | Trig. 3m (3 2/m) : P3m1 |
Tetradymite | Bi2Te2S | Trig. 3m (3 2/m) : R3m |
Tsumoite | BiTe | Trig. 3m (3 2/m) : P3 1m |
Vihorlatite | Bi24Se17Te4 | Trig. 3m (3 2/m) : P3m1 |
Common Associates
Associated Minerals Based on Photo Data:
5 photos of Kawazulite associated with Quartz | SiO2 |
3 photos of Kawazulite associated with Gold | Au |
2 photos of Kawazulite associated with Chalcopyrite | CuFeS2 |
2 photos of Kawazulite associated with Eurekadumpite | (Cu,Zn)16(TeO3)2(AsO4)3Cl(OH)18 · 7H2O |
1 photo of Kawazulite associated with Hematite | Fe2O3 |
1 photo of Kawazulite associated with Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
1 photo of Kawazulite associated with Quetzalcoatlite | Zn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2y |
1 photo of Kawazulite associated with Cobaltite | CoAsS |
Related Minerals - Strunz-mindat Grouping
2.DC.05 | Hedleyite | Bi7Te3 |
2.DC.05 | Ikunolite | Bi4S3 |
2.DC.05 | Ingodite | Bi2TeS |
2.DC.05 | Joséite | Bi4TeS2 |
2.DC.05 | Joséite-A | Bi4TeS2 |
2.DC.05 | Joséite-B | Bi4Te2S |
2.DC.05 | Laitakarite | Bi4(Se,S)3 |
2.DC.05 | Nevskite | Bi(Se,S) |
2.DC.05 | Paraguanajuatite | Bi2Se3 |
2.DC.05 | Pilsenite | Bi4Te3 |
2.DC.05 | Skippenite | Bi2TeSe2 |
2.DC.05 | Sulphotsumoite | Bi3Te2S |
2.DC.05 | Tellurantimony | Sb2Te3 |
2.DC.05 | Tellurobismuthite | Bi2Te3 |
2.DC.05 | Tetradymite | Bi2Te2S |
2.DC.05 | Tsumoite | BiTe |
2.DC.05 | Baksanite | Bi6Te2S3 |
2.DC.05 | Joséite-C | Bi16Te3S9 |
2.DC.05 | Protojoséite | Bi3(Te,S)2 |
2.DC.05 | Sztrókayite | Bi3TeS2 |
2.DC.05 | Vihorlatite | Bi24Se17Te4 |
2.DC.05 | Telluronevskite | Bi3TeSe2 |
2.DC.05 | UM1983-09-S:BiPbTe | PbBi3S2Te |
2.DC.05 | Hitachiite | Pb5Bi2Te2S6 |
2.DC.05 | Ehrigite | Bi8Te3 |
2.DC.15 | Castaingite | CuMo2S5 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Kawazulite
mindat.org URL:
https://www.mindat.org/min-2170.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Kawazulite
Reference List:
Nakajima, Seizo (1963) The crystal structure of Bi2Te3−xSex. Journal of Physics and Chemistry of Solids, 24. 479-485 doi:10.1016/0022-3697(63)90207-5
Miller, R. (1981) Kawazulite Bi2Te2Se, related bismuth minerals and selenian covellite from the Northwest Territories. The Canadian Mineralogist, 19 (2) 341-348
Cook, N. J., Ciobanu, C. L., Wagner, T., Stanley, C. J. (2007) Minerals of the system Bi–Te–Se–S related to the tetradymite archetype: review of classification and compositional variation. The Canadian Mineralogist, 45 (4) 665-708 doi:10.2113/gscanmin.45.4.665
Localities for Kawazulite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Argentina | |
| DE BRODTKORB +2 other references |
Australia | |
| Ehrig et al. (2012) |
Bulgaria | |
| Cook et al. (2002) |
| Bonev +4 other references |
| Georgiev (2008) |
Canada | |
| Anthony et al. (1990) |
| Ames et al. (2007) +1 other reference |
Kjarsgaard et al. (2010, June) | |
Chad | |
| Rigobert et al. (2013) |
Cuba | |
| Pérez-Vázquez et al. (1998) |
Czech Republic | |
| Mineral label from Steffen Mockel. In ... +1 other reference |
| Thorne (n.d.) |
Finland | |
| Fröhlich et al. (2021) |
| Kalinin (2021) |
Geological Survey of Finland 2007 ... +1 other reference | |
| Kojonen |
Greece | |
| Voudouris et al. (2011) |
Hungary | |
| GEODA |
| Takács et al. (2017) |
Japan | |
| Shuji Ono (2004) +3 other references |
| Kato (1970) +3 other references |
| Nagashima et al. (2021) |
Norway | |
| Nordrum (2006) |
Ciobanu et al. (2009) | |
Nordrum (2001) | |
Philippines | |
| Fermor 2011: Ore Deposits in an ... |
Poland | |
| Pieczka et al. (2011) |
Romania | |
| Cook et al. (2001) +1 other reference |
| Mineralogical Magazine (3) |
Russia | |
| Vikentev (2016, April) |
| Yakich et al. (2021) |
| Буханова (2018) |
| Kuznetsov et al. (2012, January) |
| Moralev et al. (2005) |
| Kalinin (2021) |
Kalinin (2021) +1 other reference | |
| Kuzhuget et al. (2022) |
Spain | |
| Cepedal et al. (2004) |
Sweden | |
| |
| Dobbe (1991) |
Dobbe (1991) | |
| Cook et al. (2007) +1 other reference |
USA | |
| Collected by and in the collection of ... |
Collected Jan. 2021 by Michael J. ... | |
Collected by and in the collection of ... | |
Collected by and in the collection of ... | |
| Mankins (2022) |
Mankins (2022) | |
| Mineralogical Society of America - ... |
| Castor et al. (2004) |
Uzbekistan | |
| Rustam Koneev et al. (2005) |
Koneev et al. (2005) | |
| Kovalenker (2003) +1 other reference |
Quick NavTopAbout KawazuliteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan