Tellurantimony Mineral Data

Tellurantimony Mineral Data +

General Tellurantimony Information

Chemical Formula:

Sb2Te3

Composition:

Molecular Weight = 626.30 gm

Antimony 38.88 % Sb

Tellurium 61.12 % Te

______

100.00 %

Empirical Formula:

Sb₂Te₃

Environment:

In a zinc-rich deposit of stratiform massive sulfide type of volcanogenic origin in Archean Volcanics. Generally included in altaite.

IMA Status:

Approved IMA 1973

Locality:

Mattagami Lake mine, Mattagami area, Galinée township, Abitibi Co., Québec, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for the composition.

Synonym:

ICSD 2084

IMA1972-002

PDF 15-874

Tellurantimony Image

Images:

Click Here for Larger Tellurantimony Image

Tellurantimony Mattagamite Altaite

Comments: Silvery metallic intergrowths of mattagamite with tellurantimony and altaite.
Location: Mattagami Lake Mine, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tellurantimony Crystallography

Axial Ratios:

a:c = 1:7.16674

Cell Dimensions:

a = 4.258, c = 30.516, Z = 3; V = 479.15 Den(Calc)= 6.51

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/I_o): 3.156(1), 2.129(0.8), 2.348(0.7),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
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Anderson T L , Krause H B , Acta Crystallographica, Section B , 30 (1974) p.1307-1310, Refinement of the Sb2Te3 and Sb2Te3Se structures and, their relationship to nonstoichiometric Sb2Te(3-y)Se(y) compounds, Locality: synthetic, Sample: T = 29 C

Physical Properties of Tellurantimony

Cleavage:

[???] Perfect

Color:

Silver white.

Diaphaniety:

Opaque

Habit:

Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.

Hardness:

2-2.5 - Gypsum-Finger Nail

Luster:

Metallic

Optical Properties of Tellurantimony

RL Anisotrophism:

Moderate, in pink and light gray.

RL Color:

Pinkish cream.

RL Pleochroism:

Weak, from pink to cream.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Tellurantimony in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	54.50	56.80
420 nm	57.00	58.60
440 nm	59.50	60.40
460 nm	61.00	61.50
480 nm	62.30	62.40
500 nm	63.10	63.10
520 nm	63.70	63.70
540 nm	64.30	64.10
560 nm	64.80	64.40
580 nm	65.00	64.80
600 nm	65.10	64.90
620 nm	65.30	65.10
640 nm	65.40	65.20
660 nm	65.40	65.20
680 nm	65.30	65.10
700 nm	65.00	65.00

**Calculated Relative Intensity Colors of Tellurantimony in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	150%
R₁
R₂

Calculated Properties of Tellurantimony

Electron Density:

r_electron=5.36 gm/cc
note: r_{Tellurantimony}=6.51 gm/cc.

Fermion Index

Fermion Index = 0.04883
Boson Index = 0.95117

Photoelectric:

PE_{Tellurantimony}= 366.27 barns/electron
U=PE_{Tellurantimony} x r_electron=1,964.49 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tellurantimony is Not Radioactive

Tellurantimony Classification

Dana Class:

2.11.7.3 (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)

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

Strunz Class:

II/D.09-10 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

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

Other Tellurantimony Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Tellurantimony :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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Tellurantimony

Sb2Te3
Dana No: 2.11.7.3 Strunz No: II/D.09-10
Locality:

Notes: