Muckeite Mineral Data

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.

Synonym:

Mueckeite

Muckeite Image

Images:

Muckeite

Comments: Dark gray tabular crystals of M?ckeite.
Location: Gr?neau Mine (Gr?ne Au Mine; Gr?nau 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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H - Help Screen
I - Data Info
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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

Diaphaniety:

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:

r_electron=5.44 gm/cc
note: r_Muckeite=6.18 gm/cc.

Fermion Index

Fermion Index = 0.00324
Boson Index = 0.99676

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Muckeite is Not Radioactive

Muckeite Classification

Dana Class:

3.4.4.2 (3)Sulfides - Sulfosalts

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

(3.4.4)Dana Group

3.4.4.1 Lapieite CuNiSbS3 P 2₁2₁2₁ 2 2 2

3.4.4.2 Muckeite CuNiBiS3 P 2₁2₁2₁ 2 2 2

Strunz Class:

II/C.21-20 II - Sulfides and sulphosalts

II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1

II/C.21 - Millerite series

II/C.21-10 Lapieite CuNiSbS3 P 2₁2₁2₁ 2 2 2

II/C.21-20 Muckeite CuNiBiS3 P 2₁2₁2₁ 2 2 2

II/C.21-25 Zlatogorite! CuNiSb2 P 3m1 3 2/m

II/C.21-30 Millerite NiS R 3m 3 2/m

II/C.21-40 Makinenite NiSe R 3m 3m

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Muckeite

CuNiBiS3
Dana No: 3.4.4.2 Strunz No: II/C.21-20
Locality:

Notes: