Nowackiite Mineral Data

(Translated by https://www.hiragana.jp/)
Nowackiite Mineral Data

General Nowackiite Information

Chemical Formula:

Cu6Zn3As4S12

Composition:

Molecular Weight = 1,261.92 gm

Zinc 15.55 % Zn

Copper 30.21 % Cu

Arsenic 23.75 % As

Sulfur 30.49 % S

______

100.00 %

Empirical Formula:

Cu₆Zn₃As₄S₁₂

Environment:

In a hydrothermal deposit in dolomite with other Pb-As-S sulfosalts.

IMA Status:

Approved IMA 1965

Locality:

Lengenbach, Binntal, Valais (Wallis), Switzerland. Link to MinDat.org Location Data.

Name Origin:

Named for Werner Nowaki (1909-), University of Berne, Switzerland.

Name Pronunciation:

Nowackiite + Pronunciation

Synonym:

ICSD 26827

PDF 25-323

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Nowackiite Crystallography

Axial Ratios:

a:c = 1:0.68229

Cell Dimensions:

a = 13.44, c = 9.17, Z = 3; V = 1,434.49 Den(Calc)= 4.38

Crystal System:

Trigonal - PyramidalH-M Symbol (3) Space Group: R 3

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

By Intensity(I/I_o): 1.019(1), 1.081(0.75), 1.887(0.63),

Crystal Structure:

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Marumo F , Zeitschrift fur Kristallographie , 124 (1967) p.352-368, The crystal structure of nowackiite, Cu6Zn3As4S12, Locality: Lengenbach, Binnatal, Switzerland

Physical Properties of Nowackiite

Color:

Lead gray, Black, Steel gray.

Diaphaneity:

Opaque

Habit:

Equant Grains - Granular material with equel dimensions in x, y, and z.

Hardness:

3.5-4 - Copper Penny-Fluorite

Luster:

Metallic

Calculated Properties of Nowackiite

Electron Density:

Bulk Density (Electron Density)=4.08 gm/cc
note: Specific Gravity of Nowackiite =4.38 gm/cc.

Fermion Index:

Fermion Index = 0.0086605109
Boson Index = 0.9913394891

Photoelectric:

PE_Nowackiite= 39.76 barns/electron
U=PE_Nowackiite x rElectron Density= 162.28 barns/cc.

Radioactivity:

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

Nowackiite Classification

Dana Class:

03.04.13.01 (03)Sulfides - Sulfosalts

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

(03.04.13)Dana Group

03.04.13.01 Nowackiite Cu6Zn3As4S12 R 3 3

03.04.13.02 Aktashite Cu6Hg3As4S12 R 3 3

03.04.13.03 Gruzdevite Cu6Hg3Sb4S12 R 3 3

Strunz Class:

02.GA.30 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.30 Aktashite Cu6Hg3As4S12 R 3 3

02.GA.30 Gruzdevite Cu6Hg3Sb4S12 R 3 3

02.GA.30 Nowackiite Cu6Zn3As4S12 R 3 3

Other Nowackiite Information

References:

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

See Also:

Links to other databases for Nowackiite :
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
15 - WWW-MINCRYST

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

Nowackiite

Cu6Zn3As4S12
Dana No: 03.04.13.01 Strunz No: 02.GA.30
Locality:

Notes: