Arsenohauchecornite Mineral Data

General Arsenohauchecornite Information

Chemical Formula:

Ni18Bi3AsS16

Composition:

Molecular Weight = 2,271.34 gm

Nickel 46.51 % Ni

Bismuth 27.60 % Bi

Arsenic 3.30 % As

Sulfur 22.59 % S

______

100.00 %

Empirical Formula:

Ni₁₈Bi₃AsS₁₆

Environment:

Occurs in hydrothermal Ni-Co-Cu veins.

IMA Status:

Approved IMA 1980

Locality:

From the Vermillion mine, Sudbury, Ontario, Canada. At Karagaily, central Kazakhstan, USSR. Link to MinDat.org Location Data.

Name Origin:

Alludes to its chemical relation to the hauchecornite group.

Name Pronunciation:

Arsenohauchecornite + Pronunciation

Synonym:

ICSD 203066

PDF 38-346

Arsenohauchecornite Image

Images:

Arsenohauchecornite

Comments: Bright bronze, massive arsenohauchecornite with chonchoidal fracture.
Location: Vermilion Mine, Denison Township, Sudbury District, Ontario, Canada. Scale: See Image.
© Rruff Database

Arsenohauchecornite Crystallography

Axial Ratios:

a:c = 1:1.05217

Cell Dimensions:

a = 10.2711, c = 10.807, Z = 2; V = 1,140.09 Den(Calc)= 6.62

Crystal System:

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

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

By Intensity(I/I_o): 2.771(1), 2.381(0.9), 2.284(0.8),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Grice J D , Ferguson R B , The Canadian Mineralogist , 27 (1989) p.137-142, The crystal structure of arsenohauchecornite

Physical Properties of Arsenohauchecornite

Cleavage:

None

Color:

Bronze.

Density:

6.35

Diaphaneity:

Opaque

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Hardness:

5.5 - Knife Blade

Luster:

Metallic

Streak:

grayish black

Optical Properties of Arsenohauchecornite

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Arsenohauchecornite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	41.60	43.00
546 nm	46.20	47.10
589 nm	48.20	49.20
650 nm	50.80	51.60

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

Calculated Properties of Arsenohauchecornite

Electron Density:

Bulk Density (Electron Density)=6.07 gm/cc
note: Specific Gravity of Arsenohauchecornite =6.62 gm/cc.

Fermion Index:

Fermion Index = 0.0069501269
Boson Index = 0.9930498731

Photoelectric:

PE_{Arsenohauchecornite}= 507.37 barns/electron
U=PE_{Arsenohauchecornite} x rElectron Density=3,081.74 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arsenohauchecornite is Not Radioactive

Arsenohauchecornite Classification

Dana Class:

03.02.05.04 (03)Sulfides - Sulfosalts

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

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

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

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

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

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

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

Strunz Class:

02.BB.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)

02.BB -With Ni, Fe

02.BB.10 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m

02.BB.10 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m

02.BB.10 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m

02.BB.10 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m

02.BB.10 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m

Other Arsenohauchecornite Information

References:

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

See Also:

Links to other databases for Arsenohauchecornite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Ecole des Mines de Paris
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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

Arsenohauchecornite

Ni18Bi3AsS16
Dana No: 03.02.05.04 Strunz No: 02.BB.10
Locality:

Notes: