Tellurohauchecornite Mineral Data

Tellurohauchecornite Mineral Data +

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General Tellurohauchecornite Information

Chemical Formula:

Ni9BiTeS8

Composition:

Molecular Weight = 1,121.32 gm

Nickel 47.11 % Ni

Bismuth 18.64 % Bi

Tellurium 11.38 % Te

Sulfur 22.88 % S

______

100.00 %

Empirical Formula:

Ni₉BiTeS₈

Environment:

In hydrothermal Ni-Co-Cu veins.

IMA Status:

Approved IMA 1980

Locality:

Strathcona mine, Levack Township, Sudbury district, Ontario, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for its chemical relationship to hauchecornite.

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Tellurohauchecornite Crystallography

Axial Ratios:

a:c = 1:0.74248

Cell Dimensions:

a = 14.64, c = 10.87, Z = 8; V = 2,329.76 Den(Calc)= 6.39

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm

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

By Intensity(I/I_o): 2.8(1), 2.314(0.6), 2.405(0.5),

Physical Properties of Tellurohauchecornite

Cleavage:

None

Color:

Bronze.

Diaphaniety:

Opaque

Habit:

Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.

Hardness:

4 - Fluorite

Luster:

Metallic

Streak:

grayish black

Optical Properties of Tellurohauchecornite

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Tellurohauchecornite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	41.20	44.80
546 nm	43.90	47.70
589 nm	45.60	49.40
650 nm	48.20	51.90

**Calculated Relative Intensity Colors of Tellurohauchecornite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	220%
R₁
R₂

Calculated Properties of Tellurohauchecornite

Electron Density:

r_electron=5.87 gm/cc
note: r_{Tellurohauchecornite}=6.39 gm/cc.

Fermion Index

Fermion Index = 0.01613
Boson Index = 0.98387

Photoelectric:

PE_{Tellurohauchecornite}= 385.68 barns/electron
U=PE_{Tellurohauchecornite} x r_electron=2,263.77 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tellurohauchecornite is Not Radioactive

Tellurohauchecornite Classification

Dana Class:

3.2.5.3 (3)Sulfides - Sulfosalts

(3.2)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(3.2.5)Hauchecornite Group, Complex Ni sulfides (Tetragonal: P4/nnn or I4/mmm)

3.2.5.1 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m

3.2.5.2 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m

3.2.5.3 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m

3.2.5.4 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m

3.2.5.5 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m

Strunz Class:

II/B.15-40 II - Sulfides and sulphosalts

II/B - Sulfides with metal: sulfur, selenium and tellurium > 1:1, Sulfides with predominant Nickel, Cobalt, Rhodium and Palladium

II/B.15 - Hauchecornite group

II/B.15-10 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m

II/B.15-20 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m

II/B.15-30 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m

II/B.15-40 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m

II/B.15-50 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m

Other Tellurohauchecornite Information

References:

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

See Also:

Links to other databases for Tellurohauchecornite :
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 11 -École des Mines de Paris

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Print or Cut-and-Paste your Tellurohauchecornite Specimen Label here :

Tellurohauchecornite

Ni9BiTeS8
Dana No: 3.2.5.3 Strunz No: II/B.15-40
Locality:

Notes: