Sulphotsumoite
A valid IMA mineral species
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About Sulphotsumoite
Formula:
Bi3Te2S
Colour:
Silver-white
Lustre:
Metallic
Hardness:
2½
Specific Gravity:
8.13 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
The name reflects its sulfur content and similarity to tsumoite.
Similar composition, PXRD data, and microhardness quite similar to "Mineral E" reported by Gamyanin et al. (1978) from eastern Yakutia, Russia; they give the following empirical formula: (Bi2.97Sb0.02Pb0.01)(Te2.0S0.96Se0.04).
Unique Identifiers
Mindat ID:
3825
Long-form identifier:
mindat:1:1:3825:2
GUID
(UUID V4):
(UUID V4):
d0acdcd0-dd5e-495f-af14-87339b6ddc3f
IMA Classification of Sulphotsumoite
Approved
Approval year:
1980
First published:
1982
Classification of Sulphotsumoite
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
2.8.20.2
2 : SULFIDES
8 : AmXp, with m:p = 1:1
2 : SULFIDES
8 : AmXp, with m:p = 1:1
3.7.33
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 IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Stsm | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Sulphotsumoite
Metallic
Transparency:
Opaque
Colour:
Silver-white
Hardness:
2½ on Mohs scale
Hardness:
VHN5=63.9 - 66.2 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
One very perfect cleavage
One very perfect cleavage
Density:
8.13 g/cm3 (Calculated)
Optical Data of Sulphotsumoite
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
420nm | 51.8% | 53.8% |
440nm | 51.8% | 54.1% |
460nm | 52.0% | 54.7% |
480nm | 52.3% | 55.3% |
500nm | 52.7% | 56.0% |
520nm | 53.2% | 56.7% |
540nm | 53.6% | 57.3% |
560nm | 53.8% | 57.8% |
580nm | 53.9% | 58.0% |
600nm | 53.8% | 58.0% |
620nm | 53.7% | 58.0% |
640nm | 53.6% | 58.0% |
660nm | 53.6% | 57.9% |
680nm | 53.6% | 57.9% |
700nm | 53.6% | 57.8% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 58.0%.
R1 shown in black, R2 shown in red
Colour in reflected light:
grayish white
Chemistry of Sulphotsumoite
Mindat Formula:
Bi3Te2S
Elements listed:
Common Impurities:
Se
Crystallography of Sulphotsumoite
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3 1m
Setting:
P3 1m
Cell Parameters:
a = 4.316 Å, c = 23.43 Å
Ratio:
a:c = 1 : 5.429
Unit Cell V:
377.98 Ă
Âł (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.16 Ă | (100) |
2.32 Ă | (60) |
2.16 Ă | (50) |
1.779 Ă | (40) |
1.367 Ă | (40) |
4.67 Ă | (30) |
1.960 Ă | (30) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-? alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Sulphotsumoite
General Appearance of Type Material:
A 1 mm rim around tsumoite, and as aggregates with joseite-B.
Place of Conservation of Type Material:
1) Mining Institute, St. Petersburg, Russia, 1369/1.
2) A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 87246.
2) A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 87246.
Geological Setting of Type Material:
Hydrothermal deposit with other bismuth tellurides.
Associated Minerals at Type Locality:
Reference:
ZavÂŽyalov, E.N., Begizov, V.D. (1982) Sulphotsumoite, Bi3Te2S, a new bismuth mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 111(3): 316-320.
Synonyms of Sulphotsumoite
Other Language Names for Sulphotsumoite
German:Sulfotsumoit
Sulphotsumoit
Sulphotsumoit
Spanish:Sulfotsumoita
Sulphotsumoita
Sulphotsumoita
Relationship of Sulphotsumoite to other Species
Member of:
Other Members of this group:
Baksanite | Bi6Te2S3 | Trig. 3m (3 2/m) : P3m1 |
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 |
Kawazulite | Bi2Te2Se | 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. |
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:
3 photos of Sulphotsumoite associated with Cerite-(CeCa) | (Ce7Ca2)â»Mg(SiO4)3(SiO3OH)4(OH)3 |
3 photos of Sulphotsumoite associated with Gedrite | â»{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
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 | Kawazulite | Bi2Te2Se |
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 | 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 | SztrĂłkayite | 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.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 Sulphotsumoite
mindat.org URL:
https://www.mindat.org/min-3825.html
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References for Sulphotsumoite
Reference List:
Localities for Sulphotsumoite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
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BastnÀs Mines, Riddarhyttan, Skinnskatteberg, VÀstmanland County, Sweden