Aurostibite Mineral Data

Aurostibite Mineral Data +

General Aurostibite Information

Chemical Formula:

AuSb2

Composition:

Molecular Weight = 440.47 gm

Antimony 55.28 % Sb

Gold 44.72 % Au

______

100.00 %

Empirical Formula:

AuSb₂

Environment:

In hydrothermal gold-quartz veins, in portions deficient in sulfur and containing other antimony minerals.

IMA Status:

Valid Species (Pre-IMA) 1952

Locality:

In the Giant Yellowknife mine, Northwest Territories; in the Chesterville mine, Larder Lake; and the Hemlo gold deposit, Thunder Bay district, Ontario, Canada. Link to MinDat.org Location Data.

Name Origin:

In reference to its composition.

Synonym:

ICSD 40350

PDF 8-460

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Aurostibite Crystallography

Cell Dimensions:

a = 6.66, Z = 4; V = 295.41 Den(Calc)= 9.90

Crystal System:

Isometric - DiploidalH-M Symbol (2/m 3) Space Group: P a3

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.01(1), 2.98(0.75), 3.33(0.7),

Crystal Structure:

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drag2 - RMB Resize/Rotate
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Graham A R , Kaiman S , American Mineralogist , 37 (1952) p.461-469

Physical Properties of Aurostibite

Cleavage:

[???] Indistinct

Color:

Lead gray.

Density:

9.98

Diaphaniety:

Opaque

Hardness:

3 - Calcite

Luster:

Metallic

Streak:

bronze

Optical Properties of Aurostibite

RL Color:

White with pink tint.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Aurostibite in Air**
λ	R	∑ R(λ)
400 nm	65.80
420 nm	65.00
440 nm	64.20
460 nm	63.50
480 nm	62.80
500 nm	62.40
520 nm	62.00
540 nm	61.80
560 nm	61.90
580 nm	62.20
600 nm	62.60
620 nm	63.20
640 nm	63.50
660 nm	63.60
680 nm	63.60
700 nm	63.50

**Calculated Relative Intensity Colors of Aurostibite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	150%
R

Calculated Properties of Aurostibite

Electron Density:

r_electron=8.14 gm/cc
note: r_Aurostibite=9.90 gm/cc.

Fermion Index

Fermion Index = 0
Boson Index = 1

Photoelectric:

PE_Aurostibite= 937.94 barns/electron
U=PE_Aurostibite x r_electron=7,631.46 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Aurostibite is Not Radioactive

Aurostibite Classification

Dana Class:

2.12.1.11 (2)Sulfides - Including Selenides and Tellurides

(2.12)where Am Bn Xp, with (m+n):p=1:2

(2.12.1)Pyrite Group (Isometric: Pa3)

2.12.1.1 Pyrite FeS2 P a3 2/m 3

2.12.1.2 Vaesite NiS2 P a3 2/m 3

2.12.1.3 Cattierite CoS2 P a3 2/m 3

2.12.1.4 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

2.12.1.5 Trogtalite CoSe2 P a3 2/m 3

2.12.1.6 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

2.12.1.7 Fukuchilite Cu3FeS8 P a3 2/m 3

2.12.1.8 Krutaite CuSe2 P a3 2/m 3

2.12.1.9 Hauerite MnS2 P a3 2/m 3

2.12.1.10 Laurite RuS2 P a3 2/m 3

2.12.1.11 Aurostibite AuSb2 P a3 2/m 3

2.12.1.12 Krutovite NiAs2 P a3 2/m 3

2.12.1.13 Sperrylite PtAs2 P a3 2/m 3

2.12.1.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3

2.12.1.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

2.12.1.16 Erlichmanite OsS2 P a3 2/m 3

2.12.1.17 Dzharkenite FeSe2 P a3 2/m 3

2.12.1.18 Gaotaiite Ir3Te8 P a3 2/m 3

2.12.1.19 Mayingite IrBiTe P a3 2/m 3

Strunz Class:

II/D.17-130 II - Sulfides and sulphosalts

II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold

II/D.17 - Pyrite group and related compounds, Fukuchilite - Micherenite

II/D.17-10 Fukuchilite Cu3FeS8 P a3 2/m 3

II/D.17-20 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

II/D.17-30 Pyrite FeS2 P a3 2/m 3

II/D.17-40 Cattierite CoS2 P a3 2/m 3

II/D.17-50 Vaesite NiS2 P a3 2/m 3

II/D.17-60 Hauerite MnS2 P a3 2/m 3

II/D.17-65 Dzharkenite FeSe2 P a3 2/m 3

II/D.17-70 Krutaite CuSe2 P a3 2/m 3

II/D.17-80 Trogtalite CoSe2 P a3 2/m 3

II/D.17-90 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

II/D.17-100 Laurite RuS2 P a3 2/m 3

II/D.17-110 Erlichmanite OsS2 P a3 2/m 3

II/D.17-120 Sperrylite PtAs2 P a3 2/m 3

II/D.17-130 Aurostibite AuSb2 P a3 2/m 3

II/D.17-140 Geversite Pt(Sb,Bi)2 P a3 2/m 3

II/D.17-150 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

II/D.17-153 Changchengite! IrBiS P 2₁3 2 3

II/D.17-155 Mayingite IrBiTe P a3 2/m 3

II/D.17-160 Maslovite PtBiTe P 2₁3 2 3

II/D.17-170 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

II/D.17-175 Padmaite PdBiSe P 2₁3 2 3

II/D.17-180 Michenerite (Pd,Pt)BiTe P 2₁3 2 3

Other Aurostibite Information

References:

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

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Aurostibite

AuSb2
Dana No: 2.12.1.11 Strunz No: II/D.17-130
Locality:

Notes: