Muckeite Mineral Data

General Muckeite Information

Chemical Formula:

CuNiBiS3

Composition:

Molecular Weight = 427.41 gm

Copper 14.87 % Cu

Nickel 13.73 % Ni

Bismuth 48.89 % Bi

Sulfur 22.51 % S

______

100.00 %

Empirical Formula:

CuNiBiS₃

IMA Status:

Approved IMA 1989

Locality:

Grune Au mine, Schutzback, near Siegen, Germay. Link to MinDat.org Location Data.

Name Origin:

Named for Arno Mucke (1937-), German mineralogist.

Name Pronunciation:

Muckeite

Synonym:

Mueckeite

Muckeite Image

Images:

Muckeite

Comments: Dark gray tabular crystals of MÃ¼ckeite.
Location: GrÃ¼neau Mine (GrÃ¼ne Au Mine; GrÃ¼nau Mine), Schutzbach, Betzdorf, Siegen District (W), Rhineland-Palatinate, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Muckeite Crystallography

Axial Ratios:

a:b:c =0.5982:1:0.3885

Cell Dimensions:

a = 7.509, b = 12.551, c = 4.877, Z = 4; V = 459.64 Den(Calc)= 6.18

Crystal System:

Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 2₁2₁2₁

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

By Intensity(I/I_o): 2.975(1), 3.177(0.8), 1.837(0.7),

Crystal Structure:

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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
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Bente K , Doering T , Edenharter A , Kupcik V , Steins M , Wendschuh-Josties M , Acta Crystallographica, Section C , 46 (1990) p.127-128, Structure of the new mineral muckeite, BiCuNiS3

Physical Properties of Muckeite

Cleavage:

{010} Very Good, {001} Good

Color:

Pale gray.

Density:

5.88

Diaphaneity:

Opaque

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Streak:

gray black

Optical Properties of Muckeite

RL Anisotrophism:

Moderate.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Muckeite in Air**
λ	R₁	R₂		∑ R₁(λ)	∑ R₂(λ)
546 nm	34.10	39.00

**Calculated Relative Intensity Colors of Muckeite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	260%
R₁
R₂

Calculated Properties of Muckeite

Electron Density:

Bulk Density (Electron Density)=5.44 gm/cc
note: Specific Gravity of Muckeite =6.18 gm/cc.

Fermion Index:

Fermion Index = 0.0032401599
Boson Index = 0.9967598401

Photoelectric:

PE_Muckeite= 908.93 barns/electron
U=PE_Muckeite x rElectron Density=4,941.47 barns/cc.

Radioactivity:

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

Muckeite Classification

Dana Class:

03.04.04.02 (03)Sulfides - Sulfosalts

(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.04.04)Lapieite Group

03.04.04.01 Lapieite CuNiSbS3 P 2₁2₁2₁ 2 2 2

03.04.04.02 Muckeite CuNiBiS3 P 2₁2₁2₁ 2 2 2

03.04.04.03 Malyshevite PdCuBiS3 P mmm 2/m 2/m 2/m

03.04.04.04 Lisiguangite! CuPtBiS3 P 2₁2₁2₁ 2 2 2

Strunz Class:

02.GA.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.G - Sulfarsenites, sulfantimonites, sulfbismuthites

02.GA -Neso-sulfarsenites, etc., without additional S

02.GA.25 Muckeite CuNiBiS3 P 2₁2₁2₁ 2 2 2

02.GA.25 Lapieite CuNiSbS3 P 2₁2₁2₁ 2 2 2

02.GA.25 Malyshevite PdCuBiS3 P mmm 2/m 2/m 2/m

02.GA.25 Lisiguangite! CuPtBiS3 P 2₁2₁2₁ 2 2 2

Other Muckeite Information

References:

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p708,1990) OPTIC PROP.(Dana8)

See Also:

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

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Ask about Muckeite here :
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Print or Cut-and-Paste your Muckeite Specimen Label here :

Muckeite

CuNiBiS3
Dana No: 03.04.04.02 Strunz No: 02.GA.25
Locality:

Notes: