Indium Mineral Data

Indium Mineral Data +

General Indium Information

Chemical Formula:

Composition:

Molecular Weight = 114.82 gm

Indium 100.00 % In

______

100.00 %

Empirical Formula:

Environment:

In greisenized and albitized granite.

IMA Status:

Approved IMA 1964

Locality:

Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Link to MinDat.org Location Data.

Name Origin:

Named for the element which is named after the indigo line in its spectrum.

Synonym:

ICSD 64794

PDF 5-642

Indium Image

Images:

Indium

Comments: A grain of native indium.
Location: Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Indium Crystallography

Axial Ratios:

a:c = 1:1.52307

Cell Dimensions:

a = 3.25, c = 4.95, Z = 2; V = 52.28 Den(Calc)= 7.29

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): 2.715(1), 2.298(0.36), 1.683(0.24),

Physical Properties of Indium

Color:

Yellow gray.

Density:

7.2 - 7.42, Average = 7.31

Diaphaniety:

Opaque

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Optical Properties of Indium

RL Anisotrophism:

Weak.

RL Color:

Light rose-white.

Calculated Properties of Indium

Electron Density:

r_electron=6.22 gm/cc
note: r_Indium=7.29 gm/cc.

Fermion Index

Fermion Index = 0
Boson Index = 1

Photoelectric:

PE_Indium= 303.84 barns/electron
U=PE_Indium x r_electron=1,890.52 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Indium is Not Radioactive

Indium Classification

Dana Class:

1.1.14.1 (1)Native Elements

(1.1)with metallic elements other than the platinum group

(1.1.14)Dana Group

1.1.14.1 Indium In I 4/mmm 4/m 2/m 2/m

Strunz Class:

I/A.05-10 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.05 - Lead series

I/A.05-10 Indium In I 4/mmm 4/m 2/m 2/m

I/A.05-20 Lead Pb F m3m 4/m 3 2/m

I/A.05-30 Tin Sn I 4₁/amd 4/m 2/m 2/m

Other Indium Information

References:

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

See Also:

Links to other databases for Indium :
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 - WWW-MINCRYST 13 -École des Mines de Paris

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Indium

In
Dana No: 1.1.14.1 Strunz No: I/A.05-10
Locality:

Notes: