Anilite Mineral Data

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

General Anilite Information

Chemical Formula:

Cu7S4

Composition:

Molecular Weight = 573.09 gm

Copper 77.62 % Cu

Sulfur 22.38 % S

______

100.00 %

Empirical Formula:

Cu₇S₄

Environment:

In a drusy quartz vein (Ani mine, Japan).

IMA Status:

Approved IMA 1968

Locality:

In the Ani mine, Akita Prefecture, Japan. At Neudorf, Harz, Germany. Link to MinDat.org Location Data.

Name Origin:

For the Ani mine, Japan.

Name Pronunciation:

Anilite

Synonym:

ICSD 16011

PDF 33-489

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Anilite Crystallography

Axial Ratios:

a:b:c =1.0063:1:1.4043

Cell Dimensions:

a = 7.89, b = 7.84, c = 11.01, Z = 4; V = 681.05 Den(Calc)= 5.59

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma

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

By Intensity(I/I_o): 1.96(1), 2.77(0.65), 3.2(0.57),

Crystal Structure:

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Koto K , Morimoto N , Acta Crystallographica, Section B , 26 (1970) p.915-924, The crystal structure of anilite

Physical Properties of Anilite

Cleavage:

None

Color:

Bluish gray.

Density:

5.68

Diaphaneity:

Opaque

Fracture:

Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

Hardness:

3-4 - Calcite-Fluorite

Luminescence:

Non-fluorescent.

Luster:

Metallic

Magnetism:

Nonmagnetic

Streak:

black

Calculated Properties of Anilite

Electron Density:

Bulk Density (Electron Density)=5.21 gm/cc
note: Specific Gravity of Anilite =5.59 gm/cc.

Fermion Index:

Fermion Index = 0.0016785962
Boson Index = 0.9983214038

Photoelectric:

PE_Anilite= 36.25 barns/electron
U=PE_Anilite x rElectron Density= 188.84 barns/cc.

Radioactivity:

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

Anilite Classification

Dana Class:

02.04.07.05 (02)Sulfides - Including Selenides and Tellurides

(02.04)where Am Bn Xp, with (m+n):p=2:1

(02.04.07)Chalcocite Group ([Cu]2-x S] formulae)

02.04.07.01 Chalcocite Cu2S P 2₁/c 2/m

02.04.07.02 Djurleite Cu31S16 P 2₁/n 2/m

02.04.07.03 Digenite Cu9S5 R 3m 3 2/m

02.04.07.04 Roxbyite Cu1.78S C 2/m 2/m

02.04.07.05 Anilite Cu7S4 P nma 2/m 2/m 2/m

02.04.07.06 Geerite Cu8S5 R 3m, R 3m, or R 32 Trig

02.04.07.07 Spionkopite Cu1.4S P 3m1 ? 3m

Strunz Class:

02.BA.05f 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

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

02.BA -With Cu, Ag, Au

02.BA.05f Anilite Cu7S4 P nma 2/m 2/m 2/m

Other Anilite Information

References:

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

See Also:

Links to other databases for Anilite :
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 Anilite Specimen Label here :

Anilite

Cu7S4
Dana No: 02.04.07.05 Strunz No: 02.BA.05f
Locality:

Notes: